Kenji Uchida

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device and a method for the manufacture thereof
- Patent number 5,608,750
- Issue date Mar 4, 1997
- Hitachi, Ltd.
- Shinichi Nakatsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser apparatus with curved waveguide
- Patent number 5,396,511
- Issue date Mar 7, 1995
- Hitachi, Ltd.
- Shin'ichi Nakatsuka
- G02 - OPTICS
Information Patent Grant
Optoelectronic devices
- Patent number 5,157,679
- Issue date Oct 20, 1992
- Hitachi Ltd.
- Masahiko Kondow
- H01 - BASIC ELECTRIC ELEMENTS