Katsuya AKIBA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device, method of controlling electronic device, and non...
- Patent number 11,463,591
- Issue date Oct 4, 2022
- Ricoh Company, Ltd.
- Katsuya Akiba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus for correcting density unevenness
- Patent number 10,620,578
- Issue date Apr 14, 2020
- Ricoh Compnay, Ltd.
- Kohhei Sakurada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control device, image forming apparatus, and control method
- Patent number 9,671,734
- Issue date Jun 6, 2017
- Ricoh Company, Ltd.
- Katsuya Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner bottle driving device control method and image forming apparatus
- Patent number 9,360,816
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE, METHOD OF CONTROLLING ELECTRONIC DEVICE, AND NON...
- Publication number 20220060588
- Publication date Feb 24, 2022
- RICOH COMPANY, LTD.
- Katsuya Akiba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190163108
- Publication date May 30, 2019
- RICOH COMPANY, LTD.
- Kohhei SAKURADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROL DEVICE, IMAGE FORMING APPARATUS, AND CONTROL METHOD
- Publication number 20160259286
- Publication date Sep 8, 2016
- RICOH COMPANY, LTD.
- Katsuya Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER BOTTLE DRIVING DEVICE CONTROL METHOD AND IMAGE FORMING APPARATUS
- Publication number 20160170356
- Publication date Jun 16, 2016
- Hiroyuki MABUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY