Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851504 | Cationically-dyeable, thermally-resistant copolyester fiber comprising quaternary phosphonium organic sulfonate groups | Togi Suzuki, Shinji Ohwaki, Setsuo Yamada, Hironori Yamada, Kimihiro Ogawa | 1989-07-25 |
| 4622381 | Modified polyester fiber and process for preparation thereof | Togi Suzuki, Tadashi Konishi, Shinji Ohwaki, Setsuo Yamada | 1986-11-11 |
| 4609710 | Undrawn polyester yarn and process for manufacturing | Michikage Matsui | 1986-09-02 |
| 4475330 | High twist polyester multifilament yarn and fabric made therefrom | Akio Kimura, Osamu Wada, Michikage Matsui | 1984-10-09 |
| 4454196 | Polyester multifilament yarn and a process for manufacturing the same | Michikage Matsui | 1984-06-12 |
| 4410473 | Process for manufacturing a polyester multifilament yarn | Michikage Matsui | 1983-10-18 |