Tomohiro Nakagawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink, inkjet printing method, and printed matter
- Patent number 11,649,364
- Issue date May 16, 2023
- Ricoh Company, Ltd.
- Hiroki Hagiwara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink, ink accommodating unit, printing device and printing method
- Patent number 11,578,220
- Issue date Feb 14, 2023
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet ink, inkjet ink set, ink stored container, and inkjet record...
- Patent number 11,292,931
- Issue date Apr 5, 2022
- Ricoh Company, Ltd.
- Satoyuki Sekiguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink and printing method
- Patent number 11,186,737
- Issue date Nov 30, 2021
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image forming method, image forming apparatus, and method for manuf...
- Patent number 11,098,216
- Issue date Aug 24, 2021
- Ricoh Company, Ltd.
- Yukihiro Imanaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming method, image forming device, and method of manufactu...
- Patent number 10,906,330
- Issue date Feb 2, 2021
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image forming method and image forming device
- Patent number 10,773,532
- Issue date Sep 15, 2020
- Ricoh Company, Ltd.
- Yuki Kaji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing method and set of processing fluid and ink
- Patent number 10,647,129
- Issue date May 12, 2020
- Ricoh Company, Ltd.
- Atsufumi Hanazawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Surface treatment liquid compostion, ink set, recording method, and...
- Patent number 10,259,965
- Issue date Apr 16, 2019
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink set and ink-jet recording method
- Patent number 10,072,170
- Issue date Sep 11, 2018
- Ricoh Company, Ltd.
- Hikaru Kobayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink cartridge, inkjet recording apparatus, inkjet recording me...
- Patent number 10,011,728
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, inkjet recording method, and inkjet recorded matter
- Patent number 10,000,067
- Issue date Jun 19, 2018
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink for inkjet, inkjet recording method, inkjet recorded ma...
- Patent number 9,982,151
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Hidefumi Nagashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet ink, inkjet recording method using the inkjet ink, and print...
- Patent number 9,856,386
- Issue date Jan 2, 2018
- Ricoh Company, Ltd.
- Masahiro Kido
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink for inkjet and inkjet recording method
- Patent number 9,855,763
- Issue date Jan 2, 2018
- Ricoh Company, Ltd.
- Naohiro Toda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet ink, inkjet recording method and ink recorded matter
- Patent number 9,663,668
- Issue date May 30, 2017
- Rioch Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, inkjet recording method, ink cartridge, recorded matter, and i...
- Patent number 9,605,173
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Ichiroh Fujii
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink for inkjet, inkjet recording method, inkjet recorded ma...
- Patent number 9,587,124
- Issue date Mar 7, 2017
- Ricoh Company, Ltd.
- Hidefumi Nagashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink for inkjet recording and recording method therewith
- Patent number 9,574,098
- Issue date Feb 21, 2017
- Ricoh Company, Ltd.
- Ichiroh Fujii
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inkjet recording method, inkjet recorded matter, and inkjet recordi...
- Patent number 9,493,001
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Naohiro Toda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Ink set for inkjet and inkjet recording method
- Patent number 9,493,665
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Naohiro Toda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink for inkjet, inkjet recorder and inkjet recording method
- Patent number 9,446,606
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Ichiroh Fujii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet recording method and inkjet recorder
- Patent number 9,358,810
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Ichiroh Fujii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink, inkjet recording method, and recorded matter
- Patent number 9,340,692
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink for inkjet, ink cartridge, and inkjet recording device
- Patent number 9,321,923
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Tomohiro Nakagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet ink, ink cartridge, and inkjet recording device
- Patent number 9,284,464
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Hidefumi Nagashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink for inkjet, inkjet recording device, inkjet printed mat...
- Patent number 9,243,158
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Naohiro Toda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous ink for inkjet, ink cartridge, and inkjet recording device
- Patent number 9,163,160
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Naohiro Toda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of forming image and ink jet recording apparatus
- Patent number 9,108,439
- Issue date Aug 18, 2015
- Ricoh Company, Ltd.
- Naohiro Toda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink set and inkjet recording method
- Patent number 8,956,451
- Issue date Feb 17, 2015
- Ricoh Company, Ltd.
- Keita Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
FABRIC INKJET INK, INKJET RECORDING METHOD, AND RECORDED MATTER
- Publication number 20240318020
- Publication date Sep 26, 2024
- RICOH COMPANY, LTD.
- Tomohiro Nakagawa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
PRIMER, PRINTING SET, PRINTING METHOD, AND PRINTING DEVICE
- Publication number 20240309235
- Publication date Sep 19, 2024
- Mizuki OKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRIMER, PRINTING SET, PRINTING METHOD, AND PRINTING APPARATUS
- Publication number 20240010844
- Publication date Jan 11, 2024
- RICOH COMPANY, LTD.
- Daiki HASEBE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING METHOD, PRINTING APPARATUS, AND PRINTED MATTER
- Publication number 20230331000
- Publication date Oct 19, 2023
- RICOH COMPANY, LTD.
- Sei Yamamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRE-PROCESSING FLUID COMPOSITION AND PRINTING METHOD
- Publication number 20230332009
- Publication date Oct 19, 2023
- RICOH COMPANY, LTD.
- Yuusuke FUJITA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
WHITE INK, NON-WHITE INK, INK SET, PRINTING SET, PRINTING METHOD, A...
- Publication number 20230220226
- Publication date Jul 13, 2023
- RICOH COMPANY, LTD.
- Hiroki HAGIWARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK AND IMAGE FORMING METHOD
- Publication number 20220177718
- Publication date Jun 9, 2022
- RICOH COMPANY, LTD.
- Kazuhiko Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PROCESSING FLUID, METHOD OF PRODUCING PRINTED MATTER, AND DEVICE OF...
- Publication number 20220169034
- Publication date Jun 2, 2022
- RICOH COMPANY, LTD.
- Hiroki HAGIWARA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PROCESSING FLUID, SET OF PROCESSING FLUID AND INK, PRINTING METHOD,...
- Publication number 20220056298
- Publication date Feb 24, 2022
- RICOH COMPANY, LTD.
- Kazuhiko Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING METHOD, PRINTING APPARATUS, AND PRINTED MATTER
- Publication number 20220056299
- Publication date Feb 24, 2022
- RICOH COMPANY, LTD.
- Sei Yamamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK ACCOMMODATING UNIT, PRINTING DEVICE AND PRINTING METHOD
- Publication number 20210292578
- Publication date Sep 23, 2021
- RICOH COMPANY, LTD.
- Tomohiro NAKAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID COMPOSITION FOR SURFACE TREATMENT, PRINTING METHOD, AND PRIN...
- Publication number 20200399496
- Publication date Dec 24, 2020
- Yuutaroh NONAKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK AND PRINTING METHOD
- Publication number 20200385592
- Publication date Dec 10, 2020
- Tomohiro NAKAGAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
INVENTION IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, IMAGE FORM...
- Publication number 20200262228
- Publication date Aug 20, 2020
- Hiroki HAGIWARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK-JETTING RECORDING METHOD, AND RECORD THEREOF
- Publication number 20200115579
- Publication date Apr 16, 2020
- Masahiro KIDO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INKJET PRINTING METHOD, AND PRINTED MATTER
- Publication number 20200095444
- Publication date Mar 26, 2020
- Hiroki Hagiwara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING DEVICE
- Publication number 20190389231
- Publication date Dec 26, 2019
- Yuki KAJI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET INK, INKJET INK SET, INK STORED CONTAINER, AND INKJET RECORD...
- Publication number 20190284421
- Publication date Sep 19, 2019
- Satoyuki Sekiguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING DEVICE, AND METHOD OF MANUFACTU...
- Publication number 20190168516
- Publication date Jun 6, 2019
- Tomohiro NAKAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...
- Publication number 20190092956
- Publication date Mar 28, 2019
- Yukihiro Imanaga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRINTING METHOD AND SET OF PROCESSING FLUID AND INK
- Publication number 20180265728
- Publication date Sep 20, 2018
- Atsufumi Hanazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INK, INK SET, AND INKJET RECORDING DEVICE
- Publication number 20170247556
- Publication date Aug 31, 2017
- Yuuki YOKOHAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SURFACE TREATMENT LIQUID COMPOSTION, INK SET, RECORDING METHOD, AND...
- Publication number 20170247561
- Publication date Aug 31, 2017
- Tomohiro NAKAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
AQUEOUS INK FOR INKJET, INKJET RECORDING METHOD, INKJET RECORDED MA...
- Publication number 20170121545
- Publication date May 4, 2017
- RICOH COMPANY, LTD.
- Hidefumi Nagashima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INKJET RECORDING METHOD, AND INKJET RECORDED MATTER
- Publication number 20170051170
- Publication date Feb 23, 2017
- Tomohiro NAKAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK CARTRIDGE, INKJET RECORDING APPARATUS, INKJET RECORDING ME...
- Publication number 20170022380
- Publication date Jan 26, 2017
- RICOH COMPANY, LTD.
- Tomohiro Nakagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK FOR AQUEOUS INKJET RECORDING, INKJET RECORDING METHOD, AND INKJ...
- Publication number 20160355695
- Publication date Dec 8, 2016
- RICOH COMPANY, LTD.
- Tomohiro NAKAGAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK SET AND INK-JETTING RECORDING METHOD
- Publication number 20160272834
- Publication date Sep 22, 2016
- Hikaru KOBAYASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK SET AND INK-JETTING RECORDING METHOD
- Publication number 20160272832
- Publication date Sep 22, 2016
- Hikaru KOBAYASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK-JETTING RECORDING METHOD, AND RECORD THEREOF
- Publication number 20160264808
- Publication date Sep 15, 2016
- Masahiro KIDO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Tomohiro Nakagawa

Person

Patents Grantslast 30 patents

Ink, inkjet printing method, and printed matter

Ink, ink accommodating unit, printing device and printing method

Inkjet ink, inkjet ink set, ink stored container, and inkjet record...

Ink and printing method

Image forming method, image forming apparatus, and method for manuf...

Image forming method, image forming device, and method of manufactu...

Image forming method and image forming device

Printing method and set of processing fluid and ink

Surface treatment liquid compostion, ink set, recording method, and...

Ink set and ink-jet recording method

Ink, ink cartridge, inkjet recording apparatus, inkjet recording me...

Ink, inkjet recording method, and inkjet recorded matter

Aqueous ink for inkjet, inkjet recording method, inkjet recorded ma...

Inkjet ink, inkjet recording method using the inkjet ink, and print...

Ink for inkjet and inkjet recording method

Inkjet ink, inkjet recording method and ink recorded matter

Ink, inkjet recording method, ink cartridge, recorded matter, and i...

Aqueous ink for inkjet, inkjet recording method, inkjet recorded ma...

Ink for inkjet recording and recording method therewith

Inkjet recording method, inkjet recorded matter, and inkjet recordi...

Ink set for inkjet and inkjet recording method

Aqueous ink for inkjet, inkjet recorder and inkjet recording method

Inkjet recording method and inkjet recorder

Ink, inkjet recording method, and recorded matter

Aqueous ink for inkjet, ink cartridge, and inkjet recording device

Inkjet ink, ink cartridge, and inkjet recording device

Aqueous ink for inkjet, inkjet recording device, inkjet printed mat...

Aqueous ink for inkjet, ink cartridge, and inkjet recording device

Method of forming image and ink jet recording apparatus

Ink set and inkjet recording method

Patents Applicationslast 30 patents

FABRIC INKJET INK, INKJET RECORDING METHOD, AND RECORDED MATTER

PRIMER, PRINTING SET, PRINTING METHOD, AND PRINTING DEVICE

PRIMER, PRINTING SET, PRINTING METHOD, AND PRINTING APPARATUS

PRINTING METHOD, PRINTING APPARATUS, AND PRINTED MATTER

PRE-PROCESSING FLUID COMPOSITION AND PRINTING METHOD

WHITE INK, NON-WHITE INK, INK SET, PRINTING SET, PRINTING METHOD, A...

INK AND IMAGE FORMING METHOD

PROCESSING FLUID, METHOD OF PRODUCING PRINTED MATTER, AND DEVICE OF...

PROCESSING FLUID, SET OF PROCESSING FLUID AND INK, PRINTING METHOD,...

PRINTING METHOD, PRINTING APPARATUS, AND PRINTED MATTER

INK, INK ACCOMMODATING UNIT, PRINTING DEVICE AND PRINTING METHOD

LIQUID COMPOSITION FOR SURFACE TREATMENT, PRINTING METHOD, AND PRIN...

INK AND PRINTING METHOD

INVENTION IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, IMAGE FORM...

INK, INK-JETTING RECORDING METHOD, AND RECORD THEREOF

INK, INKJET PRINTING METHOD, AND PRINTED MATTER

IMAGE FORMING METHOD AND IMAGE FORMING DEVICE

INKJET INK, INKJET INK SET, INK STORED CONTAINER, AND INKJET RECORD...

IMAGE FORMING METHOD, IMAGE FORMING DEVICE, AND METHOD OF MANUFACTU...

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...

PRINTING METHOD AND SET OF PROCESSING FLUID AND INK

INK, INK SET, AND INKJET RECORDING DEVICE

SURFACE TREATMENT LIQUID COMPOSTION, INK SET, RECORDING METHOD, AND...

AQUEOUS INK FOR INKJET, INKJET RECORDING METHOD, INKJET RECORDED MA...

INK, INKJET RECORDING METHOD, AND INKJET RECORDED MATTER

INK, INK CARTRIDGE, INKJET RECORDING APPARATUS, INKJET RECORDING ME...

INK FOR AQUEOUS INKJET RECORDING, INKJET RECORDING METHOD, AND INKJ...

INK SET AND INK-JETTING RECORDING METHOD

INK SET AND INK-JETTING RECORDING METHOD

INK, INK-JETTING RECORDING METHOD, AND RECORD THEREOF