Seizou Sakata

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ozone gas sensing element, detection apparatus, and measurement method
- Patent number 7,662,636
- Issue date Feb 16, 2010
- Nippon Telegraph and Telephone Corporation
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Grant
Ozone gas measurement apparatus
- Patent number 7,615,192
- Issue date Nov 10, 2009
- Nippon Telegraph and Telephone Corporation
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Grant
Ozone gas sensing element, detection apparatus, and measurement method
- Patent number 7,364,700
- Issue date Apr 29, 2008
- Nippon Telegraph and Telephone Corporation
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Grant
Tunable wavelength filter using nano-sized droplets of liquid cryst...
- Patent number 6,545,739
- Issue date Apr 8, 2003
- Nippon Telegraph and Telephone Corporation
- Shiro Matsumoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Ozone gas sensing element, detection apparatus, and measurement method
- Publication number 20080166815
- Publication date Jul 10, 2008
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Application
Ozone gas sensing element, detection apparatus, and measurement method
- Publication number 20080166267
- Publication date Jul 10, 2008
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Application
Ozone gas sensing element
- Publication number 20070134129
- Publication date Jun 14, 2007
- Yasuko Maruo
- G01 - MEASURING TESTING
Information Patent Application
Ozone gas sensing element, detection apparatus, and measurement method
- Publication number 20040131501
- Publication date Jul 8, 2004
- Yasuko Maruo
- G01 - MEASURING TESTING