Youichi Hachitani

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical glass and optical element
- Patent number 7,989,377
- Issue date Aug 2, 2011
- Hoya Corporation
- Youichi Hachitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Near-infrared light-absorbing glass, near-infrared light-absorbing...
- Patent number 7,192,897
- Issue date Mar 20, 2007
- Hoya Corporation
- Rie Yamane
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY COVER GLASS AND DISPLAY
- Publication number 20130034670
- Publication date Feb 7, 2013
- HOYA CORPORATION
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SU...
- Publication number 20110277508
- Publication date Nov 17, 2011
- HOYA CORPORATION
- Makoto OSAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical glass and optical element
- Publication number 20080132400
- Publication date Jun 5, 2008
- HOYA CORPORATION
- Youichi Hachitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical glass, optical element and process for the production thereof
- Publication number 20070027017
- Publication date Feb 1, 2007
- HOYA CORPORATION
- Youichi Hachitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Sharpcut filter glass and sharpcut filter
- Publication number 20050148454
- Publication date Jul 7, 2005
- Hoya Corporation
- Youichi Hachitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Near-infrared light-absorbing glass, near-infrared light-absorbing...
- Publication number 20040082460
- Publication date Apr 29, 2004
- HOYA CORPORATION
- Rie Yamane
- G02 - OPTICS