Haruhiko Takemura

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Patents Grantslast 30 patents

Information Patent Grant
Optical head with built-in semiconductor laser, objective lens and...
- Patent number 5,555,232
- Issue date Sep 10, 1996
- Olympus Optical Co., Ltd.
- Shohei Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup for use in optical discs
- Patent number D288558
- Issue date Mar 3, 1987
- Olympus Optical Company, Ltd.
- Haruhiko Takemura
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Apparatus for recording and reproducing information on an optical disc
- Patent number 4,574,371
- Issue date Mar 4, 1986
- Olympus Optical Company Limited
- Haruhiko Takemura
- G11 - INFORMATION STORAGE