Kiyoshi Takada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device
- Patent number 6,606,174
- Issue date Aug 12, 2003
- Sanyo Electric Co., LTD
- Tsutomu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical semiconductor device and optical semiconductor module equip...
- Patent number 6,252,252
- Issue date Jun 26, 2001
- Sanyo Electric Co., Ltd.
- Hideo Kunii
- H01 - BASIC ELECTRIC ELEMENTS