Kazuhiro Okawa

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser
- Patent number 5,663,974
- Issue date Sep 2, 1997
- Matsushita Electric Industrial Co., Ltd.
- Ayumu Tsujimura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor element having bivalent and VI group element and an i...
- Patent number 5,488,234
- Issue date Jan 30, 1996
- Matsushita Electric Industrial Co., Ltd.
- Shigeo Yoshii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a compound semiconductor
- Patent number 5,396,862
- Issue date Mar 14, 1995
- Matsushita Electric Industrial Co., Ltd.
- Kazuhiro Okawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sulfide-selenide manganese-zinc mixed crystal photo semiconductor a...
- Patent number 5,341,001
- Issue date Aug 23, 1994
- Matsushita Electric Industrial Co., Ltd.
- Shigeo Hayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing pn-junction device II-VI compound semicondu...
- Patent number 5,215,929
- Issue date Jun 1, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kazuhiro Okawa
- B82 - NANO-TECHNOLOGY