Shunichi Iijima

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a switch substrate
- Patent number 5,242,642
- Issue date Sep 7, 1993
- Seiko Epson Corporation
- Shunichi Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch substrate and method of manufacture
- Patent number 5,155,306
- Issue date Oct 13, 1992
- Seiko Epson Corporation
- Shunichi Iijima
- H01 - BASIC ELECTRIC ELEMENTS