Harumasa Tomizuka

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Sakai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display apparatus having holding member between optical sheet and d...
- Patent number 10,816,748
- Issue date Oct 27, 2020
- SAKAI DISPLAY PRODUCTS CORPORATION
- Harumasa Tomizuka
- G02 - OPTICS
Information Patent Grant
Display apparatus
- Patent number 10,345,646
- Issue date Jul 9, 2019
- SAKAI DISPLAY PRODUCTS CORPORATION
- Harumasa Tomizuka
- G02 - OPTICS
Information Patent Grant
Light source unit, display apparatus and lighting apparatus
- Patent number 9,817,179
- Issue date Nov 14, 2017
- Sakai Display Products Corporation
- Hiroki Azuma
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY APPARATUS
- Publication number 20180149924
- Publication date May 31, 2018
- SAKAI DISPLAY PRODUCTS CORPORATION
- Harumasa TOMIZUKA
- G02 - OPTICS
Information Patent Application
DISPLAY APPARATUS
- Publication number 20180143394
- Publication date May 24, 2018
- SAKAI DISPLAY PRODUCTS CORPORATION
- Harumasa TOMIZUKA
- G02 - OPTICS
Information Patent Application
Light Source Unit, Display Apparatus and Lighting Apparatus
- Publication number 20150234116
- Publication date Aug 20, 2015
- Hiroki Azuma
- G02 - OPTICS