SA

Shoji Arai

TO Tosoh: 8 patents #58 of 1,042Top 6%
TC Toyo Soda Manufacturing Co.: 7 patents #12 of 272Top 5%
TF Tosoh F-Tech: 5 patents #3 of 26Top 15%
CL Central Glass Company, Limited: 3 patents #245 of 968Top 30%
F- F-Tech: 3 patents #7 of 100Top 8%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
OC Onoda Cement Co.: 2 patents #22 of 155Top 15%
SC Sagami Chemical Research Center: 1 patents #140 of 312Top 45%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Nanyo, JP: #3 of 66 inventorsTop 5%
Overall (All Time): #132,626 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4446834 System for feedback control of air-fuel ratio in internal combustion engine Kenji Yoneda, Yoshimi Kunome 1984-05-08
4277414 Process for producing catalyst Toshihiro Saito, Yukihiro Tsutsumi, Hideaki Matsunaga 1981-07-07
4275243 Process for producing hydroxybutyraldehyde Toshihiro Saito, Yukihiro Tsutsumi 1981-06-23
4263449 Process for producing alcohols Toshihiro Saito, Yukihiro Tsutsumi 1981-04-21