Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822529 | Antistatic agents for synthetic fibers and methods of producing same | Yoshio Imai, Makoto Takagi | 1989-04-18 |
| 4727177 | Quaternary ammonium alkyl phosphates and method for producing same | Yoshio Imai, Makoto Takagi | 1988-02-23 |
| 4632767 | Antistatic agents for synthetic fibers | Yoshio Imai, Makoto Takagi | 1986-12-30 |