Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004157 | Rotary cutting saw with improved heat dissipation performance | Kazuyuki Sakita | 2006-02-28 |
| 5433187 | Diamond cutting saw blades | Kenji Hayasaka, Seiya Ogata, Hiroyuki Funahashi | 1995-07-18 |