Keiji Kuboyama

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Indium-antimony complex crystal semiconductor and process for produ...
- Patent number 4,539,178
- Issue date Sep 3, 1985
- Asahi Kasei Kogyo Kabushiki Kaisha
- Keiji Kuboyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Indium-antimony complex crystal semiconductor and process for produ...
- Patent number 4,468,415
- Issue date Aug 28, 1984
- Asahi Kasei Kogyo Kabushiki Kaisha
- Keiji Kuboyama
- H01 - BASIC ELECTRIC ELEMENTS