Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578200 | Sewage treatment system | Yasushi Funakoshi, Masayuki Kojima, Hitoshi Kawaziri, Hirofumi Yamamoto, Kazuhiko Noto +1 more | 1996-11-26 |
| 5558763 | Sewage treatment system with air jetting means | Yasushi Funakoshi, Masayuki Kojima, Hitoshi Kawaziri, Hirofumi Yamamoto, Kazuhiko Noto +1 more | 1996-09-24 |