Yasushi Ide

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing masked semiconductor laser
- Patent number 4,855,256
- Issue date Aug 8, 1989
- Ricoh Company, Ltd.
- Hiroshi Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing masked semiconductor laser
- Patent number 4,840,922
- Issue date Jun 20, 1989
- Ricoh Company, Ltd.
- Hiroshi Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS