Tatsuo Ohgaki

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Takatsuki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device with substantially mutually orthogonal reflec...
- Patent number 5,835,472
- Issue date Nov 10, 1998
- Omron Corporation
- Noriyoshi Horie
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical read/write head with low angle beam splitter and coplanar d...
- Patent number 5,615,181
- Issue date Mar 25, 1997
- Omron Corporation
- Hayami Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Rib optical waveguide and method of manufacturing the same
- Patent number 5,511,142
- Issue date Apr 23, 1996
- Omron Corporation
- Noriyoshi Horie
- G02 - OPTICS
Information Patent Grant
Optical read/write head low angle beamsplitter and coplanar detectors
- Patent number 5,444,677
- Issue date Aug 22, 1995
- Omron Corporation
- Hayami Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Rib optical waveguide and method of manufacturing the same
- Patent number 5,138,687
- Issue date Aug 11, 1992
- Omron Corporation
- Noriyoshi Horie
- G02 - OPTICS
Information Patent Grant
Optical device and optical pickup device using the same
- Patent number 5,122,903
- Issue date Jun 16, 1992
- Omron Corporation
- Shigeru Aoyama
- G02 - OPTICS