RK

Ryosei Kawai

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Kodaira, JP: #559 of 1,073 inventorsTop 55%
Overall (All Time): #2,153,575 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7166013 Polishing apparatus and method for producing semiconductors using the apparatus Shigeo Moriyama, Yoshihiro Ishida, Takashi Kugaya, Shigeo Ootsuki, Soichi Katagiri +2 more 2007-01-23
7137866 Polishing apparatus and method for producing semiconductors using the apparatus Shigeo Moriyama, Yoshihiro Ishida, Takashi Kugaya, Shigeo Ootsuki, Soichi Katagiri +2 more 2006-11-21