Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534593 | Block copolymer composition, process for producing the same, and pressure-sensitive adhesive composition | Tetsuaki Matsubara, Jun Ishihara | 2003-03-18 |
| 6291583 | Aromatic vinyl/isoprene block copolymer, process for the production thereof, and hardenable pressure-sensitive adhesive composition containing the same | Hidemi Tsubaki, Tetsuaki Matsubara | 2001-09-18 |
| 5298015 | Wound dressing having a porous structure | Toshinobu Hirayama, Tetsuo Toyokawa | 1994-03-29 |
| 5149469 | Method of manufacturing a wound dressing | Toshinobu Hirayama, Tetsuo Toyokawa | 1992-09-22 |