Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627583 | Engine oil composition | Kiyoshi Inoue, Jinichi Igarashi, Mineo Kagaya, Masakuni Hirata | 2003-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627583 | Engine oil composition | Kiyoshi Inoue, Jinichi Igarashi, Mineo Kagaya, Masakuni Hirata | 2003-09-30 |