Tadao Ohtsuka

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Chiyoda-Ku, Tokyo 100, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens changeable image scanner and lens position control device in t...
- Patent number 5,610,755
- Issue date Mar 11, 1997
- Nippon Steel Corporation
- Tadao Ohtsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens changeable image scanner and lens position control device in t...
- Patent number 5,535,040
- Issue date Jul 9, 1996
- Tadao Ohtsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE