Shinji Hasegawa

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display device
- Patent number 6,678,030
- Issue date Jan 13, 2004
- Hitachi, Ltd.
- Makiko Imabayashi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 6,535,264
- Issue date Mar 18, 2003
- Hitachi, Ltd.
- Makiko Imabayashi
- G02 - OPTICS
Information Patent Grant
Twisted nematic type liquid crystal display device having a color p...
- Patent number 4,759,612
- Issue date Jul 26, 1988
- Hitachi, Ltd.
- Hideaki Nakatsuka
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,693,562
- Issue date Sep 15, 1987
- Hitachi, Ltd.
- Shinji Hasegawa
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device having a chiral additive and angularl...
- Patent number 4,664,482
- Issue date May 12, 1987
- Hitachi, Ltd.
- Yasuhiko Kando
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,653,861
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Yasuhiko Kando
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,653,865
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Yasuhiko Kando
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,652,088
- Issue date Mar 24, 1987
- Hitachi, Ltd.
- Yasuhiko Kando
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal display device
- Publication number 20020005929
- Publication date Jan 17, 2002
- Hitachi, Ltd.
- Makiko Imabayashi
- G02 - OPTICS