Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342711 | Method of manufacturing hollow fiber | Yasushi Joh, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta, Chizuko Hayashi | 1982-08-03 |
| 4325719 | Process for recovering nitrogen under pressure in air separation apparatus | — | 1982-04-20 |