Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500787 | Lubricant composition and its use in a ball joint | Keiji Tanaka, Ryuichi Masumori | 2002-12-31 |
| 5877129 | Lubricant additive and lubricating grease composition containing the same | Masaru Murata, Tetsuo Tsuchiya | 1999-03-02 |