Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934881 | Ball end mill | Osamu Tsujimura, Masayuki Okawa | 1990-06-19 |
| 4859123 | Insert boring tool | Yasuhiko Kawade, Yoshikazu Iwata | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934881 | Ball end mill | Osamu Tsujimura, Masayuki Okawa | 1990-06-19 |
| 4859123 | Insert boring tool | Yasuhiko Kawade, Yoshikazu Iwata | 1989-08-22 |