Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743416 | Melt spinning process of aromatic polyester | Toshiyuki Kobashi, Seiji Takao | 1988-05-10 |
| 4713435 | Process for producing aromatic polyester | Kazuo Hayatsu, Masahiro Fujiwara | 1987-12-15 |
| 4606930 | Method for treating fibers | Katsuji Ueno, Kazuo Hayatsu | 1986-08-19 |
| 4560740 | Method for producing aromatic polyesters | Katsuji Ueno, Kazuo Hayatsu | 1985-12-24 |
| 4542203 | Method for producing branched aromatic polyesters | Katsuji Ueno, Kazuo Hayatsu | 1985-09-17 |
| 4503005 | Process for producing an aromatic polyester fiber | Katsuji Ueno, Kazuo Hayatsu | 1985-03-05 |
| 4414365 | Process for producing an aromatic polyester composition | Makoto Hanabata | 1983-11-08 |
| 4349659 | Process for producing aromatic polyester | Yasuyuki Kato, Makoto Hanabata | 1982-09-14 |
| 4327205 | Bulk Polycondensation process for producing aromatic polyesters | Yasuyuki Kato, Haruo Suzuki, Masatsune Kondo, Junichi Kimura, Zyunso Saito | 1982-04-27 |
| 4316004 | Process for producing oxybenzoyl copolyesters | Shozaburo Imai | 1982-02-16 |