Hotaka Takeuchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Imaging lens
- Patent number 7,508,601
- Issue date Mar 24, 2009
- Nidec Copal Corporation
- Kazuya Murakami
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 7,362,509
- Issue date Apr 22, 2008
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Grant
Photographing lens
- Patent number 6,992,840
- Issue date Jan 31, 2006
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 6,985,305
- Issue date Jan 10, 2006
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 6,980,369
- Issue date Dec 27, 2005
- Nidec Copal Corporation
- Yoichi Ishikawa
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 6,898,023
- Issue date May 24, 2005
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 6,757,111
- Issue date Jun 29, 2004
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Grant
Camera
- Patent number 6,312,168
- Issue date Nov 6, 2001
- Fuji Photo Film Co., Ltd.
- Mutsumi Naruse
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGING LENS
- Publication number 20070279767
- Publication date Dec 6, 2007
- Nidec Coopal Corporation
- Kazuya Murakami
- G02 - OPTICS
Information Patent Application
Zoom lens
- Publication number 20050248854
- Publication date Nov 10, 2005
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Application
Zoom lens
- Publication number 20050024737
- Publication date Feb 3, 2005
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Application
Zoom lens
- Publication number 20040179273
- Publication date Sep 16, 2004
- Nidec Copal Corporation
- Yoichi Ishikawa
- G02 - OPTICS
Information Patent Application
Photographing lens
- Publication number 20040179275
- Publication date Sep 16, 2004
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Application
Zoom lens
- Publication number 20040125463
- Publication date Jul 1, 2004
- Nidec Copal Corporation
- Hotaka Takeuchi
- G02 - OPTICS
Information Patent Application
Zoom lens
- Publication number 20030099043
- Publication date May 29, 2003
- NIDEC COPAL CORPORATION
- Hotaka Takeuchi
- G02 - OPTICS