TOSHIHIKO BABA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photonic crystal semiconductor device and production method thereof
- Patent number 7,525,726
- Issue date Apr 28, 2009
- The Furukawa Electric Co., Ltd.
- Tomofumi Kise
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emitting semiconductor laser and method for manufacturing t...
- Patent number 7,489,717
- Issue date Feb 10, 2009
- Sony Corporation
- Toshihiko Baba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical delay element
- Patent number 7,242,839
- Issue date Jul 10, 2007
- Ricoh Company, Ltd.
- Atsushi Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical control element
- Patent number 7,123,804
- Issue date Oct 17, 2006
- Ricoh Company, Ltd.
- Toshihiko Baba
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Photonic crystal semiconductor device and production method thereof
- Publication number 20070013991
- Publication date Jan 18, 2007
- TOSHIHIKO BABA
- Tomofumi Kise
- G02 - OPTICS
Information Patent Application
Optical control element
- Publication number 20050152659
- Publication date Jul 14, 2005
- RICOH COMPANY, LTD.
- Toshihiko Baba
- G02 - OPTICS

Trademarklast 30 trademarks