Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797678 | Lubricant additive | Hitoshi Hata, Hiromichi Seiki | 2004-09-28 |
| 6749343 | Power roller bearing for toroidal-type continuously variable transmission | Hiroshi Kato, Masayoshi Shimizuya | 2004-06-15 |