Masakazu Katoh

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Furukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon substrate having porous oxidized silicon layers and its pro...
- Patent number 5,156,896
- Issue date Oct 20, 1992
- Alps Electric Co., Ltd.
- Masakazu Katoh
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Silicon substrate having porous oxidized silicon layers and its pro...
- Patent number 5,091,061
- Issue date Feb 25, 1992
- Alps Electric Co., Ltd.
- Masakazu Katoh
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR