Inventor
SAKATA SEIZOU
JP4 patents
Patents
4 patentsUS6545739B1Apr 8, 2003
Tunable wavelength filter using nano-sized droplets of liquid crystal dispersed in a polymer
NIPPON TELEGRAPH & TELEPHONE104 citations94
US7662636B2Feb 16, 2010
Ozone gas sensing element, detection apparatus, and measurement method
NIPPON TELEGRAPH & TELEPHONE18 citations91
US7364700B2Apr 29, 2008
Ozone gas sensing element, detection apparatus, and measurement method
NIPPON TELEGRAPH & TELEPHONE9 citations82
US7615192B2Nov 10, 2009
Ozone gas measurement apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations51