Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105542 | Tool for removing coverings of a coaxial cable | Yoshikatsu Nakajima | 1992-04-21 |
| 4715186 | Coolant preservation container | Hajime Ishimaru, Masao Miyamoto | 1987-12-29 |
| 4695724 | AC-modulation quadrupole mass spectrometer | Fumio Watanabe, Masao Miyamoto, Takao Ito | 1987-09-22 |
| 4607491 | Cooling trap for vacuum | Hajime Ishimaru, Masao Miyamoto | 1986-08-26 |
| 4236375 | Electronic watch | — | 1980-12-02 |
| 4234944 | Alarm electronic timepiece | Noboru Kaneko | 1980-11-18 |
| 4203278 | Alarm electronic timepiece | Kenichi Kondo | 1980-05-20 |
| 4196583 | Analogue electronic alarm timepiece | — | 1980-04-08 |
| 4192133 | Electronic watch with means for producing pulse sound at selected intervals | — | 1980-03-11 |