Toshihiko Umezu

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Anan-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode, optical semiconductor device, epoxy resin com...
- Patent number 7,550,096
- Issue date Jun 23, 2009
- Nichia Corporation
- Kensho Sakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light emitting diode, optical semiconductor device, epoxy resin com...
- Patent number 7,342,357
- Issue date Mar 11, 2008
- Nichia Corporation
- Kensho Sakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light emitting diode, optical semiconductor element and epoxy resin...
- Patent number 6,960,878
- Issue date Nov 1, 2005
- Nichia Corporation
- Kensho Sakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Light Emitting Diode, Optical Semiconductor Device, Epoxy Resin Com...
- Publication number 20080099727
- Publication date May 1, 2008
- Nichia Corporation.
- Kensho Sakano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light emitting diode, optical semiconductor device, epoxy resin com...
- Publication number 20050224821
- Publication date Oct 13, 2005
- Nichia Corporation.
- Kensho Sakano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light emitting diode, optical semiconductor element and epoxy resin...
- Publication number 20030080341
- Publication date May 1, 2003
- Kensho Sakano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL