Munetoshi YOSHIKAWA

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Chichibu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fiber reinforced plastic body, shutter device and optical apparatus
- Patent number 10,807,343
- Issue date Oct 20, 2020
- Canon Denshi Kabushiki Kaisha
- Munetoshi Yoshikawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fiber reinforced laminate, shutter device and optical apparatus
- Patent number 10,493,717
- Issue date Dec 3, 2019
- Canon Denshi Kabushiki Kaisha
- Munetoshi Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fiber-reinforced laminate, shutter device and camera
- Patent number 9,588,401
- Issue date Mar 7, 2017
- Canon Denshi Kabushiki Kaisha
- Kana Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Neutral density optical filter and image pickup apparatus
- Patent number 8,665,520
- Issue date Mar 4, 2014
- Canon Denshi Kabushiki Kaisha
- Masayuki Uchiyama
- G02 - OPTICS
Information Patent Grant
ND filter for aperture device and aperture device comprising ND filter
- Patent number 7,295,391
- Issue date Nov 13, 2007
- Canon Denshi Kabushiki Kaisha
- Munetoshi Yoshikawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FIBER REINFORCED LAMINATE, SHUTTER DEVICE AND OPTICAL APPARATUS
- Publication number 20200061958
- Publication date Feb 27, 2020
- Canon Denshi Kabushiki Kaisha
- MUNETOSHI YOSHIKAWA
- B32 - LAYERED PRODUCTS
Information Patent Application
FIBER REINFORCED LAMINATE, SHUTTER DEVICE AND OPTICAL APPARATUS
- Publication number 20190070827
- Publication date Mar 7, 2019
- Canon Denshi Kabushiki Kaisha
- MUNETOSHI YOSHIKAWA
- B32 - LAYERED PRODUCTS
Information Patent Application
FIBER-REINFORCED LAMINATE, SHUTTER DEVICE AND CAMERA
- Publication number 20150192836
- Publication date Jul 9, 2015
- Canon Denshi Kabushiki Kaisha
- Kana Matsuda
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL FILTER AND IMAGE PICKUP APPARATUS
- Publication number 20080297932
- Publication date Dec 4, 2008
- Canon Denshi Kabushiki Kaisha
- Masayuki Uchiyama
- G02 - OPTICS
Information Patent Application
ND FILTER FOR APERTURE DEVICE AND APERTURE DEVICE COMPRISING ND FILTER
- Publication number 20070153408
- Publication date Jul 5, 2007
- Canon Denshi Kabushiki Kaisha
- Munetoshi YOSHIKAWA
- G02 - OPTICS