Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638945 | Nozzle for the gunning of monolithic refractories | Masumi Toda, Shingo Nonaka | 1987-01-27 |
| 4618752 | Gas-insulated interrupter | Osamu Fujisawa, Ryukichi Sakai, Hiroshi Hasegawa | 1986-10-21 |
| 4199721 | Hand-held microphone for transceiver | Atsushi Ono, Shoji Fujino, Kentaro Suzuki | 1980-04-22 |
| 4198601 | Control unit for transceiver | Atsushi Ono, Shoji Fujino, Kentaro Suzuki | 1980-04-15 |