Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919890 | Method for production of polybenzazole | Kiyoshi Hotta, Fuyuhiko Kubota, Yoshio Araki | 1999-07-06 |
| 5656681 | Grafting reaction product and method for producing the same | Toshiyuki Shimizu, Shinya Higashiura, Minoru Wada, Hideki Tanaka | 1997-08-12 |
| 4940560 | Process for preparing antistatic fiber | Tatsuhiko Shizuki, Kaoru Ban, Fumikazu Yoshida | 1990-07-10 |
| 4764426 | Polyester fiber and production thereof | Ryoji Nakamura | 1988-08-16 |
| 4600743 | Antistatic fiber containing polyoxyalkylene glycol | Tatsuhiko Shizuki, Kaoru Ban, Fumikazu Yoshida | 1986-07-15 |