Tatsumi Yamada

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control device and non-transitory recording medium storing control...
- Patent number 9,778,608
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Kazuya Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method that remove toner...
- Patent number 9,354,588
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,310,714
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Naoyuki Ozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...
- Publication number 20220395771
- Publication date Dec 15, 2022
- Shohtaroh HOSHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER, FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE...
- Publication number 20220121138
- Publication date Apr 21, 2022
- Ricoh Company, Ltd.
- Tatsumi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROL DEVICE AND NON-TRANSITORY RECORDING MEDIUM STORING CONTROL...
- Publication number 20160342120
- Publication date Nov 24, 2016
- RICOH COMPANY, LTD.
- Kazuya SAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150370196
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Naoyuki Ozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- Publication number 20150331383
- Publication date Nov 19, 2015
- RICOH COMPANY, LTD.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY