AT

Akira Tokushima

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
Overall (All Time): #892,609 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5113277 Fiber optic distributed temperature sensor system Yasuo Ozawa, Nobuo Ando, Satoshi Yamamoto, Toshio Fukahori, Hiroyuki Kunugiyama +6 more 1992-05-12
4829209 Ultrasonic motor with stator projections and at least two concentric rings of electrodes Osamu Kawasaki, Ritsuo Inaba, Katsu Takeda 1989-05-09
4786836 Piezoelectric motor 1988-11-22
4739212 Ultrasonic motor Yoshinobu Imasaka, Hiroshi Yoneno, Masanori Sumihara 1988-04-19
4607186 Ultrasonic transducer with a piezoelectric element Ryoichi Takayama, Nozomu Ueshiba, Yukihiko Ise 1986-08-19
4456849 Piezoelectric ultrasonic transducer with damped suspension Ryoichi Takayama, Nozomu Ueshiba, Yukihiko Ise 1984-06-26