Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315640 | Data transfer device | Akira Takayama, Shinichi Matsui | 1994-05-24 |
| 5288402 | Liquid filter medium including a fibrillated filtering layer and an organic fiber support | — | 1994-02-22 |