Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895793 | Fluorine-containing hydrocarbon composition | Keiichi Ohnishi, Masato Fukushima | 1999-04-20 |
| 5789455 | Fluorine-containing hydrocarbon composition | Keiichi Ohnishi, Masato Fukushima | 1998-08-04 |