Ken Ohsima

Follow

Person

Hachioji, JP

People

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
Apparatus for detecting input signal
- Patent number 4,520,280
- Issue date May 28, 1985
- Olympus Optical Company Limited
- Shozi Yoshikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for reading information or defect out of rotating disc
- Patent number 4,499,572
- Issue date Feb 12, 1985
- Olympus Optical Co., Ltd.
- Shozi Yoshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for detecting optically defects
- Patent number 4,464,050
- Issue date Aug 7, 1984
- Olympus Optical Co., Ltd.
- Kiichi Kato
- G11 - INFORMATION STORAGE