Koichiro OYAMA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink, image forming apparatus, and image forming method
- Patent number 11,760,893
- Issue date Sep 19, 2023
- Ricoh Company, Ltd.
- Kento Sugita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Ink and cleaning liquid set, inkjet printing device, inkjet printin...
- Patent number 10,836,171
- Issue date Nov 17, 2020
- Ricoh Company, Ltd.
- Amika Sagara
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Ink, ink cartridge, image forming method, and printed matter
- Patent number 10,807,377
- Issue date Oct 20, 2020
- Ricoh Company, Ltd.
- Takuya Yamazaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Particulate polyamide, and method for preparing the particulate pol...
- Patent number 10,323,134
- Issue date Jun 18, 2019
- Ricoh Company, Ltd.
- Yoko Arai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Particulate polyamide, and method for preparing the particulate pol...
- Patent number 10,138,344
- Issue date Nov 27, 2018
- Ricoh Company, Ltd.
- Yoko Arai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
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...

Patents Applicationslast 30 patents

Information Patent Application
LIQUID COMPOSITION, METHOD OF APPLYING LIQUID, DEVICE FOR APPLYING...
- Publication number 20220251409
- Publication date Aug 11, 2022
- RICOH COMPANY, LTD.
- Shun SAITO
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
INK, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- Publication number 20220010155
- Publication date Jan 13, 2022
- RICOH COMPANY, LTD.
- Kento SUGITA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK STORED CONTAINER, PRINTING DEVICE, AND PRINTING METHOD
- Publication number 20210292582
- Publication date Sep 23, 2021
- RICOH COMPANY, LTD.
- Atsufumi HANAZAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INKJET INK, INK CONTAINER, IMAGE FORMING METHOD, AND IMAGE FOR...
- Publication number 20210238432
- Publication date Aug 5, 2021
- Toru YOSHIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INK AND CLEANING LIQUID SET, INKJET PRINTING DEVICE, INKJET PRINTIN...
- Publication number 20200016898
- Publication date Jan 16, 2020
- Amika SAGARA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK CARTRIDGE, IMAGE FORMING METHOD, AND PRINTED MATTER
- Publication number 20190276694
- Publication date Sep 12, 2019
- Takuya YAMAZAKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...
- Publication number 20190016867
- Publication date Jan 17, 2019
- RICOH COMPANY, LTD.
- Yoko ARAI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
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
PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...
- Publication number 20160272776
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Yoko ARAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Koichiro OYAMA

Person

Patents Grantslast 30 patents

Ink, image forming apparatus, and image forming method

Ink, method of manufacturing ink, and ink cartridge

Ink and cleaning liquid set, inkjet printing device, inkjet printin...

Ink, ink cartridge, image forming method, and printed matter

Particulate polyamide, and method for preparing the particulate pol...

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

Ink, method of manufacturing ink, and ink cartridge

Particulate polyamide, and method for preparing the particulate pol...

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

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

Patents Applicationslast 30 patents

LIQUID COMPOSITION, METHOD OF APPLYING LIQUID, DEVICE FOR APPLYING...

INK, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

INK, INK STORED CONTAINER, PRINTING DEVICE, AND PRINTING METHOD

INK, INKJET INK, INK CONTAINER, IMAGE FORMING METHOD, AND IMAGE FOR...

INK AND CLEANING LIQUID SET, INKJET PRINTING DEVICE, INKJET PRINTIN...

INK, INK CARTRIDGE, IMAGE FORMING METHOD, AND PRINTED MATTER

INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE

PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...

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

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

PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...