TF

Tatsuo Fukuyama

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
Overall (All Time): #1,655,071 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5330411 Lever-type connector Mitsuhiro Fujitani, Toshikazu Saba 1994-07-19
4387275 Speaker and speaker system Yasuomi Shimada, Toshiyuki Mizutani 1983-06-07
4243839 Transducer with flux sensing coils Kenichi Takahashi, Takafumi Ueno, Yasuomi Shimada, Shinichiro Ishii 1981-01-06