Hiroyuki Sakai

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Package for superconducting devices
- Patent number 4,980,754
- Issue date Dec 25, 1990
- Seigo Kotani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Package for mounting a semiconductor chip of ultra-high frequency
- Patent number 4,890,155
- Issue date Dec 26, 1989
- Shinko Electric Industries Co., Ltd.
- Fumio Miyagawa
- H01 - BASIC ELECTRIC ELEMENTS