Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171903 | Lubricating oil composition | Saburo Koyama, Seiichi Shido, Kenji Onodera, Shigeo Hara, Yasunori Tomari +1 more | 1992-12-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171903 | Lubricating oil composition | Saburo Koyama, Seiichi Shido, Kenji Onodera, Shigeo Hara, Yasunori Tomari +1 more | 1992-12-15 |