Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477630 | Aromatic polysulfone resin composition suitable for use in self-lubricating molding compositions | Teruo Saito, Isamu Nakagawa, Tadayasu Kobayashi | 1984-10-16 |
| 4313870 | Process for producing polycondensates | Shozaburo Imai, Haruo Suzuki, Katsuji Ueno | 1982-02-02 |
| 4311823 | Process for producing aromatic polyesters | Shozaburo Imai, Haruo Suzuki, Katsuji Ueno | 1982-01-19 |