Kenji Obu

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Utsunomiya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical system
- Patent number 8,472,122
- Issue date Jun 25, 2013
- Canon Kabushiki Kaisha
- Kenji Obu
- G02 - OPTICS
Information Patent Grant
Zoom lens system and image pickup apparatus including the same
- Patent number 7,715,112
- Issue date May 11, 2010
- Canon Kabushiki Kaisha
- Kenji Shinohara
- G02 - OPTICS
Information Patent Grant
Zoom lens device and image pickup apparatus including the same
- Patent number 7,692,871
- Issue date Apr 6, 2010
- Canon Kabushiki Kaisha
- Kenji Obu
- G02 - OPTICS
Information Patent Grant
Zoom lens system and optical apparatus including the same
- Patent number 7,619,834
- Issue date Nov 17, 2009
- Canon Kabushiki Kaisha
- Kenji Obu
- G02 - OPTICS
Information Patent Grant
Zoom lens and image pickup apparatus including the same
- Patent number 7,545,577
- Issue date Jun 9, 2009
- Canon Kabushiki Kaisha
- Hiroyuki Hamano
- G02 - OPTICS
Information Patent Grant
Zoom lens system and image pickup apparatus including the same
- Patent number 7,304,805
- Issue date Dec 4, 2007
- Canon Kabushiki Kaisha
- Hiroshi Endo
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SYSTEM
- Publication number 20120127582
- Publication date May 24, 2012
- Canon Kabushiki Kaisha
- Kenji OBU
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
- Publication number 20090040625
- Publication date Feb 12, 2009
- Canon Kabushiki Kaisha
- Kenji Shinohara
- G02 - OPTICS
Information Patent Application
ZOOM LENS DEVICE AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
- Publication number 20090040604
- Publication date Feb 12, 2009
- Canon Kabushiki Kaisha
- Kenji Obu
- G02 - OPTICS
Information Patent Application
ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
- Publication number 20080273249
- Publication date Nov 6, 2008
- Canon Kabushiki Kaisha
- Hiroyuki Hamano
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20080204902
- Publication date Aug 28, 2008
- Canon Kabushiki Kaisha
- Kenji Obu
- G02 - OPTICS
Information Patent Application
Zoom lens system and image pickup apparatus including the same
- Publication number 20060285224
- Publication date Dec 21, 2006
- Canon Kabushiki Kaisha
- Hiroshi Endo
- G02 - OPTICS