Hiroo Okada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording/reproducing device
- Patent number 4,837,757
- Issue date Jun 6, 1989
- Olympus Optical Co., Ltd.
- Hiroo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording and reproducing apparatus
- Patent number 4,819,220
- Issue date Apr 4, 1989
- Olympus Optical Co., Ltd.
- Tasuhiro Miyazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory accessing and tracking apparatus with pickup and len...
- Patent number 4,785,439
- Issue date Nov 15, 1988
- Olympus Optical Co., Ltd.
- Hiroo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking control apparatus
- Patent number 4,761,773
- Issue date Aug 2, 1988
- Olympus Optical Co., Ltd.
- Hiroo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical beam tracking system for use in optical information recordi...
- Patent number 4,718,051
- Issue date Jan 5, 1988
- Olympus Optical Company Limited
- Ken Ohshima
- G11 - INFORMATION STORAGE
Information Patent Grant
Head feed control apparatus
- Patent number 4,706,234
- Issue date Nov 10, 1987
- Olympus Optical Co., Ltd.
- Hiroo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drive control apparatus
- Patent number 4,644,514
- Issue date Feb 17, 1987
- Olympus Optical Co., Ltd.
- Ken Ohshima
- G11 - INFORMATION STORAGE