Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601107 | Scale balancing device in universal parallel ruler device | — | 1986-07-22 |
| 4587742 | Scale balancing device in universal parallel ruler device | — | 1986-05-13 |
| 4580351 | Scale balancing device in universal parallel ruler device | — | 1986-04-08 |
| 4578872 | Scale balancing device in universal parallel ruler device | Hideo Mikuriya | 1986-04-01 |