Tamiyo Umezaki

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Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device using group III nitride group compound semico...
- Patent number 6,518,599
- Issue date Feb 11, 2003
- Toyoda Gosei Co., Ltd.
- Tamiyo Umezaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser diode
- Publication number 20060159146
- Publication date Jul 20, 2006
- TOYODA GOSEI CO., LTD
- Sho Iwayama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Light-emitting device using group III nitride group compound semico...
- Publication number 20010013605
- Publication date Aug 16, 2001
- Tamiyo Umezaki
- H01 - BASIC ELECTRIC ELEMENTS