Naoto Ohta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Zoom lens assembly
- Patent number 4,925,282
- Issue date May 15, 1990
- Nikon Corporation
- Hideo Kanno
- G02 - OPTICS
Information Patent Grant
Zoom lens capable of macro photography
- Patent number 4,806,000
- Issue date Feb 21, 1989
- Nikon Corporation
- Yoshiharu Shiokama
- G02 - OPTICS