Kazuhisa MITSUHATA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical film and optical laminate using same
- Patent number 10,120,206
- Issue date Nov 6, 2018
- Nippon Kayaku Kabushiki Kaisha
- Kouichi Tanaka
- G02 - OPTICS
Information Patent Grant
Special polycarbonate polarizing eyewear
- Patent number 9,709,702
- Issue date Jul 18, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Takuya Gotou
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polarized mirrored glasses lens
- Patent number 9,606,373
- Issue date Mar 28, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FUNCTIONAL SHEET INCLUDING POLYESTER RESIN, AND LENS USING FUNCTION...
- Publication number 20170329054
- Publication date Nov 16, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Kyousuke NAKAMURA
- G02 - OPTICS
Information Patent Application
OPTICAL FILM AND OPTICAL LAMINATE USING SAME
- Publication number 20170160566
- Publication date Jun 8, 2017
- Nippon Kayaku Kabushiki-Kaisha
- Kouichi TANAKA
- G02 - OPTICS
Information Patent Application
SPECIAL POLYCARBONATE POLARIZING EYEWEAR
- Publication number 20150205011
- Publication date Jul 23, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Takuya Gotou
- G02 - OPTICS
Information Patent Application
POLARIZED MIRRORED GLASSES LENS
- Publication number 20140232983
- Publication date Aug 21, 2014
- MGC FILSHEET CO., LTD.
- Terutaka Tokumaru
- G02 - OPTICS