Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885454 | Separation module and bundle unit of hollow thread-type porous membrane elements and methods of producing same | Tsutomu Araki, Kazuyoshi Tukamoto | 1999-03-23 |
| 5584997 | Separation module and bundle unit of hollow thread-type porous membrane elements and methods of producing same | Tsutomu Araki, Kazuyoshi Tukamoto | 1996-12-17 |