YI

Yoshinobu Imasaka

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,057,671 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5311094 Ultrasonic motor Hiroshi Yoneno, Masanori Sumihara 1994-05-10
5150000 Ultrasonic motor Hiroshi Yoneno, Masanori Sumihara 1992-09-22
5059849 Ultrasonic motor Masanori Sumihara, Hiroshi Yoneno 1991-10-22
4963781 Ultrasonic motor Masanori Sumihara, Hiroshi Yoneno 1990-10-16
4739212 Ultrasonic motor Hiroshi Yoneno, Masanori Sumihara, Akira Tokushima 1988-04-19