Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728228 | Milling cutter | Hiromu Okunishi | 1988-03-01 |
| 4555205 | Reamer holding device for machining valve seats | Minoru Hiroyasu, Hideo Yamashita, Tamotsu Ohguro, Shigeru Yamagishi | 1985-11-26 |