TO

Tetsuo Oka

Aisin Seiki Kabushiki Kaisha: 16 patents #151 of 3,782Top 4%
TI Toray Industries: 6 patents #426 of 3,690Top 15%
IC Imra Material R&D Co.: 3 patents #1 of 13Top 8%
NU Niigata University: 2 patents #22 of 155Top 15%
RI Riken: 2 patents #375 of 1,824Top 25%
MC Mtc Co.: 1 patents #1 of 20Top 5%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
IR Institute Of Physical And Chemical Research: 1 patents #66 of 172Top 40%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
Overall (All Time): #136,868 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4745806 Level gauge for liquid helium Tsuyoshi Masumoto, Uichiro Mizutani, Masami Ishii, Hiroshi Motoyama, Ryohei Yabuno 1988-05-24
4726988 Vertical magnetic recording medium Kenji Hayashi, Takayoshi Akamatsu, Satoshi Horiuchi 1988-02-23
4655079 Level gauge for liquid helium Tsuyoshi Masumoto, Akihisa Inoue, Masami Ishii, Hiroshi Motoyama, Ryohei Yabuno 1987-04-07