Tomoyuki NISHIKAWA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus including a filter for collect foreign subs...
- Patent number 12,117,768
- Issue date Oct 15, 2024
- Ricoh Company, Ltd.
- Takayuki Andoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling device and image forming apparatus incorporating the coolin...
- Patent number 9,946,223
- Issue date Apr 17, 2018
- Ricoh Company, Ltd.
- Reo Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,477,196
- Issue date Oct 25, 2016
- Ricoh Company, Ltd.
- Yoshihide Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319642
- Publication date Sep 26, 2024
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319641
- Publication date Sep 26, 2024
- Takayuki ANDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319640
- Publication date Sep 26, 2024
- Toshiyuki KABATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230297026
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Takayuki ANDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE COOLIN...
- Publication number 20170010582
- Publication date Jan 12, 2017
- RICOH COMPANY, LTD.
- Reo KOJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150198922
- Publication date Jul 16, 2015
- RICOH COMPANY, LTD.
- Yoshihide OHTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY