Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361263 | Water treatment apparatus and method | Jun Hirose, Fumitake Kondo, Kouichi Sano, Takashi Nakano, Hiroshi Takenaka +2 more | 2008-04-22 |
| 7241373 | Nitrogen treating method | Motoki Kouchi, Tomohito Koizumi, Tsuyoshi Rakuma | 2007-07-10 |
| 7156962 | Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device | Tomohito Koizumi, Tsuyoshi Rakuma, Katsuhiko Mushiake, Masahiro Iseki, Hiroyuki Umezawa +2 more | 2007-01-02 |
| 7018543 | Waste water treating method and waste water treating apparatus | Masahiro Iseki, Mineo Ikematsu, Tomohito Koizumi, Tsuyoshi Rakuma | 2006-03-28 |
| 6984326 | Nitrogen treating method and nitrogen treating system | Masahiro Iseki, Tomohito Koizumi, Tsuyoshi Rakuma | 2006-01-10 |
| 6875362 | Waste water treating method, waste water treating apparatus, and waste water treating system | Noriyuki Nakazawa | 2005-04-05 |
| 6852226 | Waste treatment system for treatment of organic waste and digested liquid thereof | Masaki Moriizumi, Jun Hirose, Naoki Kitayama, Fumitake Kondo | 2005-02-08 |
| 6530420 | Heat carrier | Tomohito Takada, Yasushi Yamamoto, Katsuyoshi Oki, Kenji Nasako | 2003-03-11 |
| 6192694 | Absorption type refrigerating machine | Yasuharu Kurogi, Tadato Fujihara, Yoshio Ozawa, Toshihiro Yamada | 2001-02-27 |
| 6192704 | Absorber of absorption system refrigerator | Yoshio Ozawa, Kenji Nasako, Hiroyuki Hashimoto | 2001-02-27 |
| 5676202 | Heat exchanger | Koji Akashi, Kenji Nasako, Teruhiko Imoto, Koichi Nishimura, Ikuo Yonezu | 1997-10-14 |
| 5351493 | Thermally driven refrigeration system utilizing metal hydrides | Masato Osumi | 1994-10-04 |
| 5174367 | Thermal utilization system using hydrogen absorbing alloys | Kenji Nasako, Takahiro Yonesaki, Akio Furukawa, Ikuo Yonezu, Masakazu Moroto +1 more | 1992-12-29 |