Toshiyuki Koshita

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin film transistor structure having increased on-current
- Patent number 5,981,973
- Issue date Nov 9, 1999
- Hitachi, Ltd.
- Eiji Matsuzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film transistor structure having increased on-current
- Patent number 5,821,565
- Issue date Oct 13, 1998
- Hitachi, Ltd.
- Eiji Matsuzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for stripping photoresist while producing liquid crystal di...
- Patent number 5,633,175
- Issue date May 27, 1997
- Hitachi, Ltd.
- Hiroshi Kikuchi
- G02 - OPTICS
Information Patent Grant
Thin film transistor structure having increased on-current
- Patent number 5,493,129
- Issue date Feb 20, 1996
- Hitachi, Ltd.
- Eiji Matsuzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resist-peeling liquid and process for peeling a resist using the same
- Patent number 5,399,202
- Issue date Mar 21, 1995
- Hitachi, Ltd.
- Hiroshi Kikuchi
- G02 - OPTICS
Information Patent Grant
Thin film transistor, manufacturing method thereof and matrix circu...
- Patent number 5,157,470
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Eiji Matsuzaki
- G02 - OPTICS
Information Patent Grant
Sputtering method and apparatus
- Patent number 4,902,394
- Issue date Feb 20, 1990
- Hitachi, Ltd.
- Akihiro Kenmotsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...