Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11214751 | Metalworking oil composition and metalworking method | Naoki Nagase, Hideo Sugii, Keiji Noma, Seikichi Kitabatake, Takeshi Kubota +2 more | 2022-01-04 |
| 5352308 | Self-locking agent | Kenichi Tomihara, Naoki Sato, Minami Hanada, Yumi Oka | 1994-10-04 |