Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799553 | Variable valve timing controller | Akihiko Takenaka, Haruyuki Urushihata, Hideji Tani, Takayuki Inohara | 2004-10-05 |
| 6745472 | Manufacturing method of steel ball for rolling bearing | Yoshiki Fujita, Hajime Tazumi, Kazuyuki Nishikita | 2004-06-08 |