Osamu Higashida

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light control film
- Patent number 9,638,979
- Issue date May 2, 2017
- Hitachi Chemical Company, Ltd.
- Osamu Higashida
- G02 - OPTICS
Information Patent Grant
Light control film and light control glass
- Patent number 8,098,419
- Issue date Jan 17, 2012
- Hitachi Chemical Co., Ltd.
- Osamu Higashida
- G02 - OPTICS
Information Patent Grant
Light control film and light control glass
- Patent number 8,059,331
- Issue date Nov 15, 2011
- Hitachi Chemical Co., Ltd.
- Osamu Higashida
- B32 - LAYERED PRODUCTS
Information Patent Grant
Dry toner, dry developer and process for forming electrophotographi...
- Patent number 4,985,328
- Issue date Jan 15, 1991
- Hitachi Chemical Co., Ltd.
- Yuugo Kumagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positively chargeable powdered electrophotographic toner containing...
- Patent number 4,404,270
- Issue date Sep 13, 1983
- Hitachi Chemical Company, Ltd.
- Osamu Higashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Light Control Film
- Publication number 20100047593
- Publication date Feb 25, 2010
- Osamu Higashida
- G02 - OPTICS
Information Patent Application
Light Control Film and Light Control Glass
- Publication number 20100014150
- Publication date Jan 21, 2010
- Osamu Higashida
- G02 - OPTICS
Information Patent Application
Light Control Film and Light Control Glass
- Publication number 20090316254
- Publication date Dec 24, 2009
- Osamu Higashida
- G02 - OPTICS