Tomohiko Yamahiro

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Chigasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical member and method for manufacturing the same
- Patent number 7,760,447
- Issue date Jul 20, 2010
- Nikon Corporation
- Hitoshi Ishizawa
- G02 - OPTICS
Information Patent Grant
Stereomicroscope and dark field illumination apparatus
- Patent number 6,456,431
- Issue date Sep 24, 2002
- Nikon Corporation
- Tomohiko Yamahiro
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MEMBER AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20090284848
- Publication date Nov 19, 2009
- NIKON CORPORATION
- HITOSHI ISHIZAWA
- G02 - OPTICS
Information Patent Application
Stereomicroscope and dark field illumination apparatus
- Publication number 20010005279
- Publication date Jun 28, 2001
- NIKON CORPORATION
- Tomohiko Yamahiro
- G02 - OPTICS