Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783304 | Acidic or basic gas absorptive fiber and fabric | Shigeru Nakajima | 1998-07-21 |
| 4562114 | Water-absorbing acrylic fibers | Shigeru Sawanishi | 1985-12-31 |
| 4442173 | Novel water-absorbing acrylic fibers | Shinsuke Takegami, Kaoru Ban | 1984-04-10 |