Seki Atsushi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device and optical modulation apparatus
- Patent number 8,559,777
- Issue date Oct 15, 2013
- Advantest Corporation
- Hideo Hara
- G02 - OPTICS
Information Patent Grant
Substrate structure and manufacturing method
- Patent number 8,224,143
- Issue date Jul 17, 2012
- Advantest Corporation
- Shin Masuda
- G02 - OPTICS
Information Patent Grant
Optical fiber sensor and measuring apparatus using same
- Patent number 7,389,009
- Issue date Jun 17, 2008
- Tama-TLO, Ltd.
- Mitsuhiro Iga
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE AND OPTICAL MODULATION APPARATUS
- Publication number 20120328227
- Publication date Dec 27, 2012
- Advantest Corporation
- Hideo HARA
- G02 - OPTICS
Information Patent Application
SUBSTRATE STRUCTURE AND MANUFACTURING METHOD
- Publication number 20110195274
- Publication date Aug 11, 2011
- Advantest Corporation
- SHIN MASUDA
- G02 - OPTICS
Information Patent Application
Optical fiber sensor and measuring apparatus using same
- Publication number 20070077000
- Publication date Apr 5, 2007
- Mitsuhiro Iga
- G01 - MEASURING TESTING