Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180266 | Cutting tool | Yuji Shimatani, Kiyoshi Nakagawa, Syunichi Asakura | 2001-01-30 |
| 5723800 | Wear resistant cermet alloy vane for alternate flon | Takashi Yoshimoto, Yasushi Hara, Masao Koshi | 1998-03-03 |