Seigou Nakai

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wide angle zoom lens
- Patent number 9,726,863
- Issue date Aug 8, 2017
- Tamron Co., Ltd.
- Takayuki Noda
- G02 - OPTICS
Information Patent Grant
Chromatic aberration compensating image optics
- Patent number 8,014,081
- Issue date Sep 6, 2011
- Tamron Co., Ltd.
- Yuko Watanabe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
WIDE ANGLE ZOOM LENS
- Publication number 20160124181
- Publication date May 5, 2016
- Tamron Co., Ltd.
- Takayuki NODA
- G02 - OPTICS
Information Patent Application
Back Focus Adjusting System for Infrared Camera and Back Focus Adju...
- Publication number 20120212621
- Publication date Aug 23, 2012
- Tamron Co., Ltd.
- Seigou Nakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIDE ANGLE LENS
- Publication number 20120120505
- Publication date May 17, 2012
- TAMRON CO., LTD.
- Seigou NAKAI
- G02 - OPTICS
Information Patent Application
Chromatic aberration compensating image optics
- Publication number 20070002450
- Publication date Jan 4, 2007
- Yuko Watanabe
- G02 - OPTICS