Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327645 | Tie tamper | Masaomi Morisawa, Maki Nakajima | 1982-05-04 |
| 4323014 | Tie tamper | Shigetoshi Ogawa, Atsushi Suma, Maki Nakajima | 1982-04-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327645 | Tie tamper | Masaomi Morisawa, Maki Nakajima | 1982-05-04 |
| 4323014 | Tie tamper | Shigetoshi Ogawa, Atsushi Suma, Maki Nakajima | 1982-04-06 |