Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356572 | Method for manufacturing sheath-core ion exchange fibers | — | 1994-10-18 |
| 5354617 | Non-woven fabric sheet separator material for storage batteries and method for making the same | Isao Ikkanzaka, Kazuhiro Ikeda | 1994-10-11 |
| 5314922 | Ion exchange fibers and method for manufacturing the same | — | 1994-05-24 |