Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332854 | Surfactant | Kinya Yokota, Hitoshi Shinike | 1994-07-26 |
| 5324862 | Surfactant | Kinya Yokota, Hitoshi Shinike | 1994-06-28 |
| 4939283 | Surface active compounds having a polymerizable moiety | Kinya Yokota | 1990-07-03 |
| 4918211 | Surface active compounds having a polymerizable moiety | Kinya Yokota, Hitoshi Shinike | 1990-04-17 |
| 4814514 | Surface active compounds having a polymerizable moiety | Kinya Yokota | 1989-03-21 |
| 4666523 | Sizing agent suitable for use in paper making | Kinya Yokota, Yasuharu Tanakamaru, Yoshio Takahashi | 1987-05-19 |