Ryuichi Hirayama

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Hino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymer network liquid crystal display device and liquid crystal di...
- Patent number 11,187,931
- Issue date Nov 30, 2021
- Toppan Printing Co., Ltd.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal driving apparatus and liquid crystal driving method
- Patent number 10,649,249
- Issue date May 12, 2020
- Toppan Printing Co., Ltd.
- Shigeo Takeuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE
- Publication number 20190011774
- Publication date Jan 10, 2019
- ORTUS TECHNOLOGY CO., LTD.
- Ryuichi Hirayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER NETWORK LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DI...
- Publication number 20180210244
- Publication date Jul 26, 2018
- ORTUS TECHNOLOGY CO., LTD.
- Ryuichi HIRAYAMA
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DRIVING APPARATUS AND LIQUID CRYSTAL DRIVING METHOD
- Publication number 20180203275
- Publication date Jul 19, 2018
- ORTUS TECHNOLOGY CO., LTD.
- Shigeo TAKEUCHI
- G02 - OPTICS