Tadashi Sato

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection-type video display apparatus having a transmission-type...
- Patent number 9,217,915
- Issue date Dec 22, 2015
- Hitachi Maxell, Ltd.
- Koji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rear-surface projection-type video display apparatus
- Patent number 8,384,995
- Issue date Feb 26, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Koji Hirata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Image display with projector
- Patent number D650822
- Issue date Dec 20, 2011
- Hitachi Consumer Electronics Co., Ltd.
- Yoshihiro Iwama
- D16 - Photography and optical equipment

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION-TYPE VIDEO DISPLAY APPARATUS
- Publication number 20140009694
- Publication date Jan 9, 2014
- HITACHI CONSUMER ELECTRONICS CO., LTD.
- Koji Hirata
- G02 - OPTICS
Information Patent Application
REAR-SURFACE PROJECTION-TYPE VIDEO DISPLAY APPARATUS
- Publication number 20110298993
- Publication date Dec 8, 2011
- Hitachi Consumer Electronics Co., Ltd.
- Koji HIRATA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL