Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858060 | Driving device for door lock-actuator | Toshio Iwaoka | 1989-08-15 |
| 4828931 | Superconductor for magnetic field shielding | Souichi Ogawa, Takao Sugioka | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858060 | Driving device for door lock-actuator | Toshio Iwaoka | 1989-08-15 |
| 4828931 | Superconductor for magnetic field shielding | Souichi Ogawa, Takao Sugioka | 1989-05-09 |