Hitoshi Kikui

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phase retarder and liquid crystal display using the same
- Patent number 5,061,042
- Issue date Oct 29, 1991
- Sumitomo Chemical Co., Ltd.
- Kimishige Nakamura
- G02 - OPTICS
Information Patent Grant
Color liquid crystal displaying panels
- Patent number 4,953,952
- Issue date Sep 4, 1990
- Sumitomo Chemical Company, Ltd.
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Light-polarizing film
- Patent number 4,895,677
- Issue date Jan 23, 1990
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Light-polarizing film
- Patent number 4,859,039
- Issue date Aug 22, 1989
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Light-polarizing film
- Patent number 4,803,014
- Issue date Feb 7, 1989
- Sumitomo Chemical Company Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Method of making a light-polarizing plate
- Patent number 4,626,304
- Issue date Dec 2, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light-polarizing plate having excellent durability and production o...
- Patent number 4,564,545
- Issue date Jan 14, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS