Kenichi Kugai

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transfer belt and electrophotographic apparatus
- Patent number 6,094,558
- Issue date Jul 25, 2000
- Hitachi Koki Co., Ltd.
- Ryuuichi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotary polygon mirror motor
- Patent number 5,903,078
- Issue date May 11, 1999
- Hitachi Koki Co., Ltd.
- Junshin Sakamoto
- G02 - OPTICS
Information Patent Grant
Dynamic pressure bearing and rotary polygon mirror device with the...
- Patent number 5,434,695
- Issue date Jul 18, 1995
- Hitachi Koki Co., Ltd.
- Susumu Saito
- G02 - OPTICS