Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7124725 | Engine spark plug grounding structure, grounding wiring apparatus, and grounding wiring method | Hiroshi Yamashita | 2006-10-24 |
| 5190420 | Solid end mill for finishing the face or side of hard work | Shigeyasu Yodoshi | 1993-03-02 |
| 5026227 | Cermet solid end mill | Masami Nishi, Haruo Matsumoto | 1991-06-25 |
| 4497600 | End mill | — | 1985-02-05 |