Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11252493 | Hearing device and earphone | Akihiro Soeta, Shinichiro Yanaga, Misae Shiba | 2022-02-15 |
| 8523041 | Clamp member, clamp and anastomotic apparatus | Mitsuru Ishitsuki, Yuji Ochiai, Suekichi Sato, Ernest Mikhajlovich Akopov, Makoto Shirakawa | 2013-09-03 |
| D497000 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |
| D497001 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |