Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10881269 | Activation control method for a battery-powered medical apparatus | Hidetsugu Takahashi, Katsuhiko Nameta, Hirotaka Akiba | 2021-01-05 |
| 6604082 | Voice recording/reproducing apparatus | Makoto Okazaki, Hiroaki Miura | 2003-08-05 |