Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452463 | Apparatus for treating water | Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Hiromichi Ohtake | 2008-11-18 |
| 6239145 | Nitroxyl compounds and drugs and reagents containing the same as the active ingredient | Hideo Utsumi, Hiroaki Sano, Masaichi Naruse, Tetsuo Oi | 2001-05-29 |
| 6121305 | Bipyrazole derivative, and medicine or reagent comprising the same as active component | Heitaro Obara, Kazuhisa Sakurai, Tetsuo Oi | 2000-09-19 |