Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178137 | System for IoT devices communicating with server using a tentative common key | Takahide Todoroki, Koichi Sato | 2021-11-16 |
| 10071929 | Desalination system and desalination method | Yasunori Sekine, Akira Sasaki, Kotaro Kitamura | 2018-09-11 |
| 10005688 | Desalination system and desalination method | Yasunori Sekine, Akira Sasaki, Kotaro Kitamura | 2018-06-26 |
| 9988294 | Desalination system and desalination method | Yasunori Sekine, Akira Sasaki, Kotaro Kitamura | 2018-06-05 |
| 9988293 | Desalination system and desalination method | Yasunori Sekine, Akira Sasaki, Kotaro Kitamura | 2018-06-05 |
| 9758393 | Fresh water generation system | Kotaro Kitamura, Yusuke Okawa, Hiroo Takabatake | 2017-09-12 |
| D651280 | Immersion flat filter membrane element | Yusuke Okawa, Yasuyuki Okuno | 2011-12-27 |
| 7992724 | Flat membrane element and regeneration method thereof | Kiyokazu Takemura, Mitsuru Hatanaka, Takashi Fujimoto, Tatsuaki Tagashira | 2011-08-09 |
| 7604130 | Flat membrane element and regeneration method thereof | Kiyokazu Takemura, Mitsuru Hatanaka, Takashi Fujimoto, Tatsuaki Tagashira | 2009-10-20 |
| 6033569 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Takako Ogasawara, Masaaki Shirai +2 more | 2000-03-07 |
| 5997736 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Takako Ogasawara, Masaaki Shirai +2 more | 1999-12-07 |
| 5976378 | Method and system for removing nitrogen and immobilized microorganisms | Tatsuo Sumino, Nobuko Hashimoto, Takako Ogasawara | 1999-11-02 |
| 5876603 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Takako Ogasawara, Masaaki Shirai +2 more | 1999-03-02 |
| 5849180 | Method of biologically removing nitrogen and system therefor | Tatsuo Sumino, Nobuko Hashimoto, Hiroki Nakamura, Takako Ogasawara, Masaaki Shirai +2 more | 1998-12-15 |
| 5578200 | Sewage treatment system | Yasushi Funakoshi, Khoji Ogata, Masayuki Kojima, Hitoshi Kawaziri, Hirofumi Yamamoto +1 more | 1996-11-26 |
| 5558763 | Sewage treatment system with air jetting means | Yasushi Funakoshi, Khoji Ogata, Masayuki Kojima, Hitoshi Kawaziri, Hirofumi Yamamoto +1 more | 1996-09-24 |