Koichiro HAYAKAWA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Zoom lens system
- Patent number 9,581,794
- Issue date Feb 28, 2017
- Hoya Corporation
- Koichiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 8,699,146
- Issue date Apr 15, 2014
- Hoya Corporation
- Masaru Eguchi
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 8,514,495
- Issue date Aug 20, 2013
- Hoya Corporation
- Koichiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Imaging device
- Patent number 8,416,508
- Issue date Apr 9, 2013
- Hoya Corporation
- Masakazu Saori
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 8,300,321
- Issue date Oct 30, 2012
- Hoya Corporation
- Koichiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Zoom lens system and electronic imaging apparatus that uses the same
- Patent number 8,248,708
- Issue date Aug 21, 2012
- Hoya Corporation
- Koichiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Zoom lens system and electronic imaging apparatus that uses the same
- Patent number 7,952,813
- Issue date May 31, 2011
- Hoya Corporation
- Koichiro Hayakawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ZOOM LENS SYSTEM
- Publication number 20160231544
- Publication date Aug 11, 2016
- HOYA CORPORATION
- Koichiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM
- Publication number 20120262800
- Publication date Oct 18, 2012
- HOYA CORPORATION
- Masaru EGUCHI
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM
- Publication number 20120147479
- Publication date Jun 14, 2012
- HOYA CORPORATION
- Koichiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
IMAGING DEVICE
- Publication number 20120081797
- Publication date Apr 5, 2012
- HOYA CORPORATION
- Masakazu SAORI
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM
- Publication number 20110211264
- Publication date Sep 1, 2011
- HOYA CORPORATION
- Koichiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS THAT USES THE SAME
- Publication number 20110194190
- Publication date Aug 11, 2011
- HOYA CORPORATION
- Koichiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS THAT USES THE SAME
- Publication number 20090257132
- Publication date Oct 15, 2009
- HOYA CORPORATION
- Koichiro HAYAKAWA
- G02 - OPTICS