YK

Yoshio Kumagai

TL Tokyo Electron Limited: 7 patents #1,084 of 5,567Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
TS Tokyo Electron Sagami: 1 patents #39 of 81Top 50%
Overall (All Time): #664,110 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6620260 Substrate rinsing and drying method Takayuki Toshima 2003-09-16
6001191 Substrate washing method, substrate washing-drying method, substrate washing apparatus and substrate washing-drying apparatus Yuuji Kamikawa, Kinya Ueno, Naoki Shindo 1999-12-14
5873177 Spin dryer and substrate drying method Yoshiyuki Honda 1999-02-23
5845660 Substrate washing and drying apparatus, substrate washing method, and substrate washing apparatus Naoki Shindo, Yuuji Kamikawa, Shori Mokuo 1998-12-08
5236515 Cleaning device Kinya Ueno 1993-08-17
5188136 Cleaning device 1993-02-23
5015330 Film forming method and film forming device Katsuya Okumura, Takahiko Moriya, Shinji Miyazaki, Susumu Tanaka 1991-05-14
4272964 Steam generating apparatus 1981-06-16