Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064621 | Circulating fluid-bed combustion apparatus | Koji Yamamoto, Haruhito Tsuboi, Toshihiko Iwasaki | 1991-11-12 |
| 4986910 | Apparatus for dehydrating sludge | Yasuhiko Kihara | 1991-01-22 |
| 4761895 | Method and apparatus for dehydrating sludge | Yoshio Kanno, Kiyoteru Segawa, Yasuhiko Kihara | 1988-08-09 |
| 4657682 | Method for dehydrating sludge | Yasuhiko Kihara | 1987-04-14 |