Kazukiyo NAGAI

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrochromic element and electrochromic dimming element
- Patent number 11,209,713
- Issue date Dec 28, 2021
- Ricoh Company, Ltd.
- Satoshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ink, method of manufacturing ink, and ink cartridge
- Patent number 10,844,235
- Issue date Nov 24, 2020
- Ricoh Company, Ltd.
- Yuusuke Koizuka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Curable composition, curable ink, accommodating container, image fo...
- Patent number 10,781,325
- Issue date Sep 22, 2020
- Ricoh Company, Ltd.
- Mitsunobu Morita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, ink including copolymer, and ink-stored container
- Patent number 10,370,548
- Issue date Aug 6, 2019
- Ricoh Company, Ltd.
- Shigeyuki Harada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink, ink container, inkjet recording device, and recorded matter
- Patent number 10,280,321
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink and method for producing same, and ink stored container, printi...
- Patent number 10,273,373
- Issue date Apr 30, 2019
- Ricoh Company, Ltd.
- Yuusuke Koizuka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, method of manufacturing ink, and ink cartridge
- Patent number 10,233,341
- Issue date Mar 19, 2019
- Ricoh Company, Ltd.
- Yuusuke Koizuka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, aqueous ink, and ink cartridge
- Patent number 10,035,869
- Issue date Jul 31, 2018
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, recorded matter, ink container, recording device, and recordin...
- Patent number 10,000,656
- Issue date Jun 19, 2018
- Ricoh Company, Ltd.
- Yoshiki Yanagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink stored container, inkjet recording apparatus, and recorded...
- Patent number 9,988,543
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, coloring material dispersion, ink, and ink store container
- Patent number 9,896,530
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, aqueous ink, and ink cartridge
- Patent number 9,850,335
- Issue date Dec 26, 2017
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink stored container, inkjet printing method, and inkjet print...
- Patent number 9,850,391
- Issue date Dec 26, 2017
- Ricoh Company, Ltd.
- Masayuki Fukuoka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, ink, and ink container
- Patent number 9,777,091
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Masayuki Fukuoka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet recording ink, ink cartridge, inkjet recording method, inkje...
- Patent number 9,752,037
- Issue date Sep 5, 2017
- Ricoh Company, Ltd.
- Minoru Hakiri
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet recording ink and ink cartridge using the ink, inkjet record...
- Patent number 9,688,871
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Masayasu Nonogaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink composition, ink cartridge, ink recording device, and recorded...
- Patent number 9,617,439
- Issue date Apr 11, 2017
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and...
- Patent number 9,597,891
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Masayasu Nonogaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink for inkjet recording, ink container, and inkjet recording device
- Patent number 9,441,129
- Issue date Sep 13, 2016
- Ricoh Company, Ltd.
- Keita Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Copolymer, aqueous ink, and ink cartridge
- Patent number 9,422,437
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, aqueous ink, and ink cartridge
- Patent number 9,416,284
- Issue date Aug 16, 2016
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copolymer, aqueous ink, and ink cartridge
- Patent number 9,365,670
- Issue date Jun 14, 2016
- Ricoh Company, Ltd.
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink composition, ink cartridge, inkjet recording device, and inkjet...
- Patent number 9,359,522
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink cartridge, inkjet recording device, and copolymer
- Patent number 9,353,274
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Keita Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink for inkjet recording, ink cartridge, and ink-recorded matter
- Patent number 9,321,926
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Keita Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink composition, ink cartridge, inkjet recording device, and inkjet...
- Patent number 9,309,427
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink for inkjet recording, and ink cartridge, inkjet recording metho...
- Patent number 9,234,110
- Issue date Jan 12, 2016
- Ricoh Company, Ltd.
- Keita Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink for inkjet recording
- Patent number 9,217,089
- Issue date Dec 22, 2015
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet recording ink and ink cartridge using the ink, inkjet record...
- Patent number 9,217,091
- Issue date Dec 22, 2015
- Ricoh Company, Ltd.
- Keita Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image bearing member, manufacturing method of the same, image formi...
- Patent number 9,201,319
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE
- Publication number 20190136076
- Publication date May 9, 2019
- Yuusuke KOIZUKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CURABLE COMPOSITION, CURABLE INK, ACCOMMODATING CONTAINER, IMAGE FO...
- Publication number 20180127607
- Publication date May 10, 2018
- Mitsunobu MORITA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, INK INCLUDING COPOLYMER, AND INK-STORED CONTAINER
- Publication number 20180002553
- Publication date Jan 4, 2018
- Shigeyuki HARADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20180002469
- Publication date Jan 4, 2018
- Shigeyuki HARADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK AND METHOD FOR PRODUCING SAME, AND INK STORED CONTAINER, PRINTI...
- Publication number 20170267884
- Publication date Sep 21, 2017
- Yuusuke KOIZUKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
ELECTROCHROMIC ELEMENT AND ELECTROCHROMIC DIMMING ELEMENT
- Publication number 20170235203
- Publication date Aug 17, 2017
- RICOH COMPANY, LTD.
- Satoshi YAMAMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, RECORDED MATTER, INK CONTAINER, RECORDING DEVICE, AND RECORDIN...
- Publication number 20170174918
- Publication date Jun 22, 2017
- Yoshiki YANAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
COPOLYMER, COLORING MATERIAL DISPERSION, INK, AND INK STORE CONTAINER
- Publication number 20170158794
- Publication date Jun 8, 2017
- Shigeyuki HARADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE
- Publication number 20170121544
- Publication date May 4, 2017
- Yuusuke KOIZUKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK STORED CONTAINER, INKJET PRINTING METHOD, AND INKJET PRINT...
- Publication number 20170073533
- Publication date Mar 16, 2017
- Masayuki FUKUOKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND RECORDED...
- Publication number 20160362572
- Publication date Dec 15, 2016
- Akihiko MATSUYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER
- Publication number 20160222234
- Publication date Aug 4, 2016
- Akihiko MATSUYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, INK, AND INK CONTAINER
- Publication number 20160168292
- Publication date Jun 16, 2016
- Masayuki FUKUOKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK CARTRIDGE, INKJET RECORDING DEVICE, AND COPOLYMER
- Publication number 20160130452
- Publication date May 12, 2016
- Keita KATOH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20160102162
- Publication date Apr 14, 2016
- Shigeyuki HARADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20160075892
- Publication date Mar 17, 2016
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20160032037
- Publication date Feb 4, 2016
- Shigeyuki Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20160017075
- Publication date Jan 21, 2016
- Shigeyuki HARADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET RECORDING INK, INK CARTRIDGE, INKJET RECORDING METHOD, INKJE...
- Publication number 20150376425
- Publication date Dec 31, 2015
- Minoru HAKIRI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET INK, METHOD OF MANUFACTURING INKJET INK, INK CARTRIDGE, AND...
- Publication number 20150307734
- Publication date Oct 29, 2015
- Masayasu Nonogaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK FOR INKJET RECORDING, INK CARTRIDGE, AND INK-RECORDED MATTER
- Publication number 20150291817
- Publication date Oct 15, 2015
- Keita KATOH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK FOR INKJET RECORDING, INK CONTAINER, AND INKJET RECORDING DEVICE
- Publication number 20150259555
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Keita Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK COMPOSITION, INK CARTRIDGE, INK RECORDING DEVICE, AND RECORDED...
- Publication number 20150252203
- Publication date Sep 10, 2015
- RICOH COMPANY, LTD.
- Akihiko MATSUYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHO...
- Publication number 20150125672
- Publication date May 7, 2015
- RICOH COMPANY, LTD.
- Keita Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET RECORDING INK, INK CARTRIDGE USING THE INK, AND INKJET RECOR...
- Publication number 20150116421
- Publication date Apr 30, 2015
- Masayasu NONOGAKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK FOR INKJET RECORDING, INK CONTAINER, INKJET RECORDER AND RECORD...
- Publication number 20150109382
- Publication date Apr 23, 2015
- Mitsuru Naruse
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET...
- Publication number 20150064425
- Publication date Mar 5, 2015
- Akihiko MATSUYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET...
- Publication number 20150064418
- Publication date Mar 5, 2015
- RICOH COMPANY, LTD.
- Akihiko Matsuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK FOR INKJET RECORDING
- Publication number 20150056425
- Publication date Feb 26, 2015
- RICOH COMPANY, LTD.
- Kazukiyo Nagai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORD...
- Publication number 20140267516
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Masayasu Nonogaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Kazukiyo NAGAI

Person

Patents Grantslast 30 patents

Electrochromic element and electrochromic dimming element

Ink, method of manufacturing ink, and ink cartridge

Curable composition, curable ink, accommodating container, image fo...

Copolymer, ink including copolymer, and ink-stored container

Ink, ink container, inkjet recording device, and recorded matter

Ink and method for producing same, and ink stored container, printi...

Ink, method of manufacturing ink, and ink cartridge

Copolymer, aqueous ink, and ink cartridge

Ink, recorded matter, ink container, recording device, and recordin...

Ink, ink stored container, inkjet recording apparatus, and recorded...

Copolymer, coloring material dispersion, ink, and ink store container

Copolymer, aqueous ink, and ink cartridge

Ink, ink stored container, inkjet printing method, and inkjet print...

Copolymer, ink, and ink container

Inkjet recording ink, ink cartridge, inkjet recording method, inkje...

Inkjet recording ink and ink cartridge using the ink, inkjet record...

Ink composition, ink cartridge, ink recording device, and recorded...

Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and...

Ink for inkjet recording, ink container, and inkjet recording device

Copolymer, aqueous ink, and ink cartridge

Copolymer, aqueous ink, and ink cartridge

Copolymer, aqueous ink, and ink cartridge

Ink composition, ink cartridge, inkjet recording device, and inkjet...

Ink, ink cartridge, inkjet recording device, and copolymer

Ink for inkjet recording, ink cartridge, and ink-recorded matter

Ink composition, ink cartridge, inkjet recording device, and inkjet...

Ink for inkjet recording, and ink cartridge, inkjet recording metho...

Ink for inkjet recording

Inkjet recording ink and ink cartridge using the ink, inkjet record...

Image bearing member, manufacturing method of the same, image formi...

Patents Applicationslast 30 patents

INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE

CURABLE COMPOSITION, CURABLE INK, ACCOMMODATING CONTAINER, IMAGE FO...

COPOLYMER, INK INCLUDING COPOLYMER, AND INK-STORED CONTAINER

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

INK AND METHOD FOR PRODUCING SAME, AND INK STORED CONTAINER, PRINTI...

ELECTROCHROMIC ELEMENT AND ELECTROCHROMIC DIMMING ELEMENT

INK, RECORDED MATTER, INK CONTAINER, RECORDING DEVICE, AND RECORDIN...

COPOLYMER, COLORING MATERIAL DISPERSION, INK, AND INK STORE CONTAINER

INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE

INK, INK STORED CONTAINER, INKJET PRINTING METHOD, AND INKJET PRINT...

INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND RECORDED...

INK, INK CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER

COPOLYMER, INK, AND INK CONTAINER

INK, INK CARTRIDGE, INKJET RECORDING DEVICE, AND COPOLYMER

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

INKJET RECORDING INK, INK CARTRIDGE, INKJET RECORDING METHOD, INKJE...

INKJET INK, METHOD OF MANUFACTURING INKJET INK, INK CARTRIDGE, AND...

INK FOR INKJET RECORDING, INK CARTRIDGE, AND INK-RECORDED MATTER

INK FOR INKJET RECORDING, INK CONTAINER, AND INKJET RECORDING DEVICE

INK COMPOSITION, INK CARTRIDGE, INK RECORDING DEVICE, AND RECORDED...

INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHO...

INKJET RECORDING INK, INK CARTRIDGE USING THE INK, AND INKJET RECOR...

INK FOR INKJET RECORDING, INK CONTAINER, INKJET RECORDER AND RECORD...

INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET...

INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET...

INK FOR INKJET RECORDING

INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORD...