Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153023 | Hardened metal product produced by shot peening with shot having high hardness | Hitoshi Rokutanda, Toru Takahashi, Junkou Kurosaki | 2000-11-28 |
| 5916383 | Method of shot peening a hardened metal product with shot having high hardness | Hitoshi Rokutanda, Toru Takahashi, Junkou Kurosaki | 1999-06-29 |