Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824345 | Scroll member for scroll type fluid displacement apparatus | Eiji Fukushima | 1989-04-25 |
| 4487248 | Scroll manufacturing method and tool | Eiji Fukushima, Masaharu Hiraga | 1984-12-11 |
| 4436465 | Scroll manufacturing tool | Eiji Fukushima, Masaharu Hiraga | 1984-03-13 |
| 4433564 | Scroll manufacturing tool | Eiji Fukushima, Masaharu Hiraga | 1984-02-28 |