Hiroto Katagiri

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Shizuoka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical member and liquid crystal display device
- Patent number 12,066,710
- Issue date Aug 20, 2024
- TOPPAN INC.
- Ayumu Sato
- G02 - OPTICS
Information Patent Grant
Anisotropic optical film
- Patent number 10,330,831
- Issue date Jun 25, 2019
- Tomoegawa Co., Ltd.
- Masahide Sugiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Display apparatus
- Patent number 9,581,738
- Issue date Feb 28, 2017
- Tomoegawa Co., Ltd.
- Masahide Sugiyama
- G02 - OPTICS
Information Patent Grant
Display device and anisotropic scatterer
- Patent number 9,274,365
- Issue date Mar 1, 2016
- Japan Display Inc.
- Masaya Tamaki
- G02 - OPTICS
Information Patent Grant
Display
- Patent number 7,800,719
- Issue date Sep 21, 2010
- Sharp Kabushiki Kaisha
- Masahiro Hasegawa
- G02 - OPTICS
Information Patent Grant
Anisotropic scattering film for improving the viewing angle depende...
- Patent number 7,683,986
- Issue date Mar 23, 2010
- Sharp Kabushiki Kaisha
- Masahiro Hasegawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MEMBER AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20230408861
- Publication date Dec 21, 2023
- TOPPAN INC.
- Ayumu SATO
- G02 - OPTICS
Information Patent Application
LIGHT DIFFUSION FILM LAMINATE FOR REFLECTIVE DISPLAY DEVICE AND REF...
- Publication number 20190302327
- Publication date Oct 3, 2019
- TOMOEGAWA CO., LTD.
- Makoto MURATA
- G02 - OPTICS
Information Patent Application
ANISOTROPIC OPTICAL FILM
- Publication number 20170003422
- Publication date Jan 5, 2017
- TOMOEGAWA CO., LTD.
- Masahide SUGIYAMA
- G02 - OPTICS
Information Patent Application
DISPLAY APPARATUS
- Publication number 20150338698
- Publication date Nov 26, 2015
- TOMOEGAWA CO., LTD.
- Masahide SUGIYAMA
- G02 - OPTICS
Information Patent Application
DISPLAY DEVICE AND ANISOTROPIC SCATTERER
- Publication number 20130229603
- Publication date Sep 5, 2013
- Japan Display West Inc.
- Masaya Tamaki
- G02 - OPTICS
Information Patent Application
Display
- Publication number 20070195233
- Publication date Aug 23, 2007
- SHARP KABUSHIKI KAISHA
- Masahiro Hasegawa
- G02 - OPTICS
Information Patent Application
Display
- Publication number 20070064180
- Publication date Mar 22, 2007
- Sharp Kabushiki Kaisha
- Masahiro Hasegawa
- G02 - OPTICS