Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226873 | Cutter knife | — | 2001-05-08 |
| 4890392 | Digital tape measure | Manabu Komura, Kunio Hirai, Tatsuaki Nakai, Nobuyuki Yamamoto | 1990-01-02 |
| 4658134 | Digital tape measure | — | 1987-04-14 |