Naobumi Tsuzuki

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for forming porous semiconductor region using electrolyte w...
- Patent number 4,092,445
- Issue date May 30, 1978
- Nippon Electric Co., Ltd.
- Naobumi Tsuzuki
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Semiconductor device
- Patent number 4,067,040
- Issue date Jan 3, 1978
- Nippon Electric Company, Ltd.
- Naobumi Tsuzuki
- H01 - BASIC ELECTRIC ELEMENTS