Kazuhiro Ohkawa

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting device and production method thereof,...
- Patent number 5,705,831
- Issue date Jan 6, 1998
- Matsushita Electric Industrial Co., Ltd.
- Nobuyuki Uemura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Crystal-growth method and semiconductor device production method us...
- Patent number 5,492,080
- Issue date Feb 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kazuhiro Ohkawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Reflector for semiconductor laser end-face and method of manufactur...
- Patent number 5,339,326
- Issue date Aug 16, 1994
- Matsushita Electric Industrial Co., Ltd.
- Ayumu Tsujimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonlinear optical thin-film
- Patent number 5,079,594
- Issue date Jan 7, 1992
- Matsushita Electric Industrial Co., Ltd.
- Tsuneo Mitsuyu
- B82 - NANO-TECHNOLOGY