Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665685 | Gear and transmission lubricant compositions of improved sludge-dispersibility, fluids comprising the same | — | 1997-09-09 |
| 5026496 | Polymer composition useful as viscosity index improver | Kiyoshi Teranishi, Tomio Nomura, Toshiro Suzuki, Kozo Sakai | 1991-06-25 |