Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311094 | Ultrasonic motor | Yoshinobu Imasaka, Masanori Sumihara | 1994-05-10 |
| 5150000 | Ultrasonic motor | Yoshinobu Imasaka, Masanori Sumihara | 1992-09-22 |
| 5059849 | Ultrasonic motor | Masanori Sumihara, Yoshinobu Imasaka | 1991-10-22 |
| 4963781 | Ultrasonic motor | Masanori Sumihara, Yoshinobu Imasaka | 1990-10-16 |
| 4739212 | Ultrasonic motor | Yoshinobu Imasaka, Masanori Sumihara, Akira Tokushima | 1988-04-19 |
| 4595516 | Heat storage material | Takahiro Wada, Fumiko Yokotani, Yoshihiro Matsuo | 1986-06-17 |
| 4594279 | Heat insulator | Yoshihiro Matsuo, Shoichi Ishihara | 1986-06-10 |
| 4492725 | Composite thermal insulator | Shoichi Ishihara, Ryoichi Yamamoto | 1985-01-08 |