Masashi HIRAI

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diffuser plate and method for producing diffuser plate
- Patent number 10,451,778
- Issue date Oct 22, 2019
- Kuraray Co., Ltd.
- Atsushi Uchida
- G02 - OPTICS
Information Patent Grant
Method for designing light diffusion patter, method for manufacturi...
- Patent number 10,126,549
- Issue date Nov 13, 2018
- Kuraray Co., Ltd.
- Atsushi Uchida
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DIFFUSER PLATE AND METHOD FOR PRODUCING DIFFUSER PLATE
- Publication number 20170235028
- Publication date Aug 17, 2017
- Kuraray Co., Ltd
- Atsushi UCHIDA
- G02 - OPTICS
Information Patent Application
METHOD FOR DESIGNING LIGHT DIFFUSION PATTERN, METHOD FOR MANUFACTUR...
- Publication number 20170031156
- Publication date Feb 2, 2017
- KURARAY CO., LTD.
- Atsushi UCHIDA
- G02 - OPTICS