Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785693 | Hydraulic torque wrench | Masaaki Ohkubo, Isao Tomioka | 1988-11-22 |
| 4485595 | Grinding and polishing apparatus | Haruo Arahori | 1984-12-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785693 | Hydraulic torque wrench | Masaaki Ohkubo, Isao Tomioka | 1988-11-22 |
| 4485595 | Grinding and polishing apparatus | Haruo Arahori | 1984-12-04 |