Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488787 | Cold workable steel bar or wire and process | Hideo Kanisawa, Manabu Kubota, Koji Adachi, Ryuichi Seki | 2002-12-03 |
| 6475306 | Hot rolled steel wire rod or bar for machine structural use and method for producing the same | Hideo Kanisawa, Manabu Kubota, Koji Tanabe, Kiichiro Tsuchida | 2002-11-05 |
| 6383311 | High strength drive shaft and process for producing the same | Hideo Kanisawa, Kenichiro Naito, Joji Tamura, Masayoshi Saga | 2002-05-07 |