Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330782 | Method for preparation of colored porous polytetrafluoroethylene material | — | 1994-07-19 |
| 5308323 | Multiple compartment balloon catheter | Ichiro Sogawa, Shin-ichiro Niwa, Koro Yotsuya, Takafumi Uemiya | 1994-05-03 |