Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690764 | Aerator and aerobic biological treatment process using same | Takao Nomura, Tadashi Matsuda, Shojiro Kido, Shinichi Ishii, Hideki Hattori | 1987-09-01 |
| 4668401 | Hollow-fiber filter module and filtration method using the same | Kazuo Kuwahara, Masujiro Arita, Shingo Mori, Tetsuya Ohmura, Osamu Yamamoto +1 more | 1987-05-26 |