Keiki Oikawa

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Utsunomiya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rack including forcing unit and optical apparatus having the same
- Patent number 9,759,297
- Issue date Sep 12, 2017
- Canon Kabushiki Kaisha
- Keiki Oikawa
- G02 - OPTICS
Information Patent Grant
Image pickup apparatus having lens barrel
- Patent number 7,929,228
- Issue date Apr 19, 2011
- Canon Kabushiki Kaisha
- Keiki Oikawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL APPARATUS AND IMAGING APPARATUS
- Publication number 20250138277
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- KEIKI OIKAWA
- G02 - OPTICS
Information Patent Application
LENS DEVICE AND IMAGING APPARATUS
- Publication number 20230112976
- Publication date Apr 13, 2023
- Canon Kabushiki Kaisha
- Keiki Oikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RACK AND OPTICAL APPARATUS HAVING THE SAME
- Publication number 20140373653
- Publication date Dec 25, 2014
- Keiki OIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE PICKUP APPARATUS HAVING LENS BARREL
- Publication number 20110069403
- Publication date Mar 24, 2011
- Canon Kabushiki Kaisha
- Keiki Oikawa
- G02 - OPTICS