Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175376 | Method of cutting long-sized hardened steel material and cutting device | Kiyoshi Suzuki, Takeki Shirai | 2007-02-13 |
| 6988861 | Method and apparatus for cutting long scale hardened steel | Kiyoshi Suzuki, Takeki Shirai | 2006-01-24 |