Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030367 | Water-dispersion lubricant of graphite, particulate resin and high molecular weight polybasic acid salt | Megumu Tanaka, Koji Sakura, Tatsuharu Oda, Tomoyuki Hirakawa, Yasuhiro Sotani +4 more | 1991-07-09 |
| 4711733 | Lubricant for the production of seamless tubes | Kenzou Yokoyama, Ken Aoki, Shinji Akita, Masayuki Hatanaka, Tatsuharu Oda | 1987-12-08 |