Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667382 | Polyamine | Kazuo Isobe, Ryoichi Tamaki, Keiichiro Tomioka, Wataru Yoshida, Tetsuaki Fukushima | 2003-12-23 |
| 6576794 | Process for production of ether amine | Tetsuaki Fukushima, Hiroyuki Masuda, Hiroshi Abe | 2003-06-10 |
| 6541444 | Softener composition | Yasuki Ohtawa, Tohru Katoh, Yoshio Hatayama, Yohei Kaneko | 2003-04-01 |