Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227238 | Apparatus for producing pellets containing entrapped and immobilized microorganisms | Naoki Abe, Koutarou Aoyama, Tatsuo Sumino, Takayuki Kouno | 2012-07-24 |
| 8030041 | Process for producing pellets entrapping and immobilizing microorganisms | Naoki Abe, Koutarou Aoyama, Tatsuo Sumino, Takayuki Kouno | 2011-10-04 |
| 7816110 | Process for producing pellets containing entrapped microorganisms | Koutarou Aoyama, Naoki Abe, Tatsuo Sumino | 2010-10-19 |
| 6576451 | Oligomers for polymerizing to produce hydrous gels entrapping microorganisms | Tatsuo Sumino, Naomichi Mori, Tamio Igarashi, Minoru Kayanoki, Takayuki Nakamura +2 more | 2003-06-10 |
| 6033569 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Kazuhiko Noto, Takako Ogasawara +2 more | 2000-03-07 |
| 5997736 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Kazuhiko Noto, Takako Ogasawara +2 more | 1999-12-07 |
| 5876603 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Kazuhiko Noto, Takako Ogasawara +2 more | 1999-03-02 |
| 5849180 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Kazuhiko Noto, Takako Ogasawara +2 more | 1998-12-15 |
| 5061368 | System for treating waste water by nitrification | Minoru Tada, Syouji Harada, Syuzo Koike, Yukio Kawaguchi, Tamotsu Mizuguchi +7 more | 1991-10-29 |