Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663041 | Fluorocarbon filter element | Tokuya Miyagi, Akihisa Inoue, Shoichi Fujimori, Yoshihiro Hori | 1987-05-05 |
| 4588464 | Method of producing a fluorocarbon filter element | Tokuya Miyagi, Akihisa Inoue, Shoichi Fujimori, Yoshihiro Hori | 1986-05-13 |