Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030367 | Water-dispersion lubricant of graphite, particulate resin and high molecular weight polybasic acid salt | Megumu Tanaka, Tatsuharu Oda, Tomoyuki Hirakawa, Yasuhiro Sotani, Fuyuhiko Kajiyama +4 more | 1991-07-09 |