Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919810 | Porous membrane | Hajime Itoh, Hiroshi Takahashi, Hideaki Habara | 1990-04-24 |
| 4869857 | Process for producing porous membranes | Hajime Itoh, Hiroshi Takahashi, Hideaki Habara | 1989-09-26 |