Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928784 | Polyvinyl alcohol fiber containing tourmaline particles | Toshio Sugihara, Siro Nakamura, Marcos Masaki Komiya, Ichiro Nagashima | 1999-07-27 |
| 4264676 | Process for preparing superfine ion-exchange fibers | Mitsutaka Uzumaki, Masahiko Takashio, Akihisa Shirasaka | 1981-04-28 |