Michihiko Ishikawa

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Katsushika-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Structure for mounting anti-fog sheet to shield
- Patent number 9,476,442
- Issue date Oct 25, 2016
- Shoei Co., Ltd.
- Michihiko Ishikawa
- A42 - HEADWEAR
Information Patent Grant
Shield structure for helmet or goggles, and helmet comprising such...
- Patent number 8,032,946
- Issue date Oct 11, 2011
- Shoei Co., Ltd.
- Michihiko Ishikawa
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURE FOR MOUNTING ANTI-FOG SHEET TO SHIELD
- Publication number 20130129449
- Publication date May 23, 2013
- SHOEI CO., LTD.
- Michihiko Ishikawa
- A42 - HEADWEAR
Information Patent Application
Shield Structure for Helmet or Goggles, and Helmet Comprising Such...
- Publication number 20090300813
- Publication date Dec 10, 2009
- Michihiko Ishikawa
- A42 - HEADWEAR