Shouichi Ogita

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 6,238,943
- Issue date May 29, 2001
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 5,987,046
- Issue date Nov 16, 1999
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Method of making a tunable laser diode having a distributed feedbac...
- Patent number 5,358,898
- Issue date Oct 25, 1994
- Fujitsu Limited
- Shouichi Ogita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device, method of producing the optical semic...
- Patent number 5,347,533
- Issue date Sep 13, 1994
- Fujitsu Limited
- Toshio Higashi
- G02 - OPTICS
Information Patent Grant
Driver circuit of a tunable laser diode
- Patent number 5,255,276
- Issue date Oct 19, 1993
- Fujitsu Limited
- Haruhiko Tabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable laser diode having a distributed feedback structure
- Patent number 5,170,402
- Issue date Dec 8, 1992
- Fujitsu Limited
- Shouichi Ogita
- H01 - BASIC ELECTRIC ELEMENTS