Makoto Otaka

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic apparatus
- Patent number 6,694,117
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Kazuhiro Wakamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser beam emission control for electrophotographic device
- Patent number 6,574,447
- Issue date Jun 3, 2003
- Hitachi, Ltd.
- Kazuyoshi Matsuo
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Color photographic apparatus
- Publication number 20030081966
- Publication date May 1, 2003
- Kazuhiro Wakamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Laser beam emission control for electrophotographic device
- Publication number 20020101495
- Publication date Aug 1, 2002
- Kazuyoshi Matsuo
- G06 - COMPUTING CALCULATING COUNTING