TK

Tetsuya Kawanishi

SC Sumitomo Osaka Cement Co.: 6 patents #52 of 327Top 20%
WU Waseda University: 3 patents #28 of 411Top 7%
FU Fujinon: 2 patents #115 of 339Top 35%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
OC Optoquest Co.: 1 patents #5 of 15Top 35%
University of California: 1 patents #8,022 of 18,278Top 45%
Overall (All Time): #41,145 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
7084649 Method and apparatus for measuring three-dimensional distribution of electric field Yoshiro Matsuo, Masayuki Izutsu 2006-08-01
6987904 Variable-optical-delay apparatus Masayuki Izutsu 2006-01-17
6819475 Optical frequency converter 2004-11-16
6791733 Resonance type optical modulator using symmetric or asymmetric electrode Masayuki Izutsu, Kenichi Kubodera 2004-09-14
6788832 Optical modulator and optical signal and electric wave signal converter using same Masayuki Izutsu, Satoshi Oikawa, Kaoru Higuma 2004-09-07
6735010 Resonator-type semiconductor optical modulator with asymmetrical electrode structure Masayuki Izutsu 2004-05-11
6707586 Optical frequency converter using reciprocating modulation 2004-03-16
6600588 Reciprocating optical modulation system 2003-07-29