Yusei Ukawa

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Minato-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device and portable information device having a mirror func...
- Patent number 7,884,787
- Issue date Feb 8, 2011
- TPO Hong Kong Holding Limited
- Yusei Ukawa
- G02 - OPTICS
Information Patent Grant
Transflective switchable double-cell LCD device
- Patent number 7,446,835
- Issue date Nov 4, 2008
- TPO Hong Kong Holding Limited
- Yusei Ukawa
- G02 - OPTICS
Information Patent Grant
Transflective liquid crystal display device having alignment film c...
- Patent number 7,423,664
- Issue date Sep 9, 2008
- TPO Hong Kong Holding Limited
- Yusei Ukawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Display Device and Portable Information Device Having a Mirror Func...
- Publication number 20080030644
- Publication date Feb 7, 2008
- TPO DISPLAYS CORP.
- Yusei Ukawa
- G02 - OPTICS