RI

Ryuzo Iga

NT NTT: 10 patents #481 of 4,871Top 10%
Overall (All Time): #519,958 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7701993 Semiconductor optical device and a method of fabricating the same Yasuhiro Kondo 2010-04-20
7355778 Semiconductor optical modulator Ken Tsuzuki, Tsuyoshi Ito 2008-04-08
7060518 Semiconductor optical device and the fabrication method Susumu Kondo, Matsuyuki Ogasawara, Yasuhiro Kondo, Yoshio Noguchi, Masahiro Yuda +2 more 2006-06-13
6990131 Semiconductor optical device and method of manufacturing the same Susumu Kondo, Matsuyuki Ogasawara, Yasuhiro Kondo 2006-01-24
6982469 Semiconductor optical device and the fabrication method Susumu Kondo, Matsuyuki Ogasawara, Yasuhiro Kondo, Yoshio Noguchi, Masahiro Yuda +2 more 2006-01-03
6815786 Semiconductor optical device and method of manufacturing the same Matsuyuki Ogasawara, Susumu Kondo, Yasuhiro Kondo 2004-11-09
6717187 Semiconductor optical device and the fabrication method Susumu Kondo, Matsuyuki Ogasawara, Yasuhiro Kondo, Yoshio Noguchi, Masahiro Yuda +2 more 2004-04-06
6692837 Semi-insulating substrate, semiconductor optical device and fabrication method of semiconductor thin film Matsuyuki Ogasawara, Susumu Kondo, Yasuhiro Kondo 2004-02-17
5273932 Method for forming semiconductor thin films where an argon laser is used to suppress crystal growth Hideo Sugiura, Takeshi Yamada 1993-12-28
5186750 Method and apparatus for forming semiconductor thin films Hideo Sugiura, Takeshi Yamada 1993-02-16