Yu YOSHIOKA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming device and method for determining abnormality
- Patent number 10,908,552
- Issue date Feb 2, 2021
- Ricoh Company, Ltd.
- Yu Yoshioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device, bias voltage control method for image forming...
- Patent number 9,188,903
- Issue date Nov 17, 2015
- Ricoh Company, Limited
- Yu Yoshioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING DEVICE, BIAS VOLTAGE CONTROL METHOD FOR IMAGE FORMING...
- Publication number 20150071663
- Publication date Mar 12, 2015
- Yu YOSHIOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY