TS

Tadashi Sakaue

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HS Hitachi Haramachi Semi-Conductor: 2 patents #16 of 40Top 40%
OC Ohkura Electric Co.: 1 patents #13 of 28Top 50%
Shimano: 1 patents #486 of 759Top 65%
Overall (All Time): #749,079 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8066597 Electrically operated derailleur with force overload protection 2011-11-29
5051806 Gate turn-off thyristor of multi-emitter type Toshihide Ujihara, Shuroku Sakurada, Shuji Musha 1991-09-24
5003369 Thyristor of overvoltage self-protection type Kazuyoshi Kanda, Katsumi Akabane 1991-03-26
4868625 Gate turn-off thyristor of multi-emitter type Toshihide Ujihara, Shuroku Sakurada, Shuji Musha 1989-09-19
4775916 Pressure contact semiconductor device Shigeyasu Kouzuchi, Shuroku Sakurada, Masafumi Ono 1988-10-04
4653329 Pressure detector and strain member therefor Tatsuo Sagara 1987-03-31
4305088 Semiconductor device including means for alleviating stress caused by different coefficients of thermal expansion of the device components Kazutoyo Narita, Noboru Kawasaki, Motoji Nakajima 1981-12-08