Masao Kato

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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
Light guiding laminate using anisotropic optical film and planar li...
- Patent number 11,209,587
- Issue date Dec 28, 2021
- Tomoegawa Co., Ltd.
- Masahide Sugiyama
- 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
SEALING MEMBER FOR LIGHT GUIDE PLATE AND PLANAR LIGHT SOURCE DEVICE...
- Publication number 20200363582
- Publication date Nov 19, 2020
- TOMOEGAWA CO., LTD.
- Shogo SUGA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIGHT GUIDING LAMINATE USING ANISOTROPIC OPTICAL FILM AND PLANAR LI...
- Publication number 20200033525
- Publication date Jan 30, 2020
- TOMOEGAWA CO., LTD.
- Masahide SUGIYAMA
- G02 - OPTICS
Information Patent Application
ANTI-GLARE FILM AND DISPLAY DEVICE
- Publication number 20200026120
- Publication date Jan 23, 2020
- TOMOEGAWA CO., LTD.
- Masao Kato
- G02 - OPTICS