Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454038 | Apparatus for biological treatment of waste water in downflow operation | Chiaki Shimodaira, Yoshinori Yushina, Hiroshi Kamata, Hideo Komatsu, Osamu Mabu +1 more | 1984-06-12 |
| 4295967 | Fluidized bed contact apparatus | Yasuhiro Iwase, Tadao Kimiwada | 1981-10-20 |
| 4256573 | Process for biological treatment of waste water in downflow operation | Chiaki Shimodaira, Yoshinori Yushina, Hiroshi Kamata, Hideo Komatsu, Osamu Mabu +1 more | 1981-03-17 |