Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385017 | Method of manufacturing hollow fiber | Yasushi Joh, Masahiro Yamazaki, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta | 1983-05-24 |
| 4342711 | Method of manufacturing hollow fiber | Yasushi Joh, Masahiro Yamazaki, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta | 1982-08-03 |