Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299773 | Porous polyvinylidene fluoride resin film and process for producing the same | Hitoshi Yoshida | 2001-10-09 |
| 4298644 | Extremely fine acrylic polymer fiber pile fabric and process for producing the same | Kunitoshi Shimizu, Toshio Iwasa | 1981-11-03 |