Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439094 | Saw blade | Susumu Tsujimoto | 2002-08-27 |
| 5697280 | All purpose saw blade | Donald L. Armstrong, Kunihiko Okada | 1997-12-16 |
| 5501129 | All purpose saw blade | Donald L. Armstrong, Kunihiko Okada | 1996-03-26 |
| 5115403 | Workpiece workability detection method and a method for cutting a workpiece by means of a cutting machine utilizing that method | Mitsuyoshi Sawamura, Kikuo Tanaka, Takashi Kokado | 1992-05-19 |
| 4573360 | Bending test apparatus | — | 1986-03-04 |
| 4557172 | Saw blade | — | 1985-12-10 |