Hiroki Seyama

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Gunma-ken, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Offset correction circuit
- Patent number 6,037,823
- Issue date Mar 14, 2000
- Sanyo Electric Co., Ltd.
- Masashi Arai
- H03 - BASIC ELECTRONIC CIRCUITRY