Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400961 | Electromechanical thermostatic mixing valve | Osamu Tsutsui, Kinya Arita, Yoshinobu Uchimura | 1995-03-28 |
| 5199639 | Shower with a micromotor operated revolving shower head | Hiroshi Kobayashi, Masahito Hitotsumatsu, Ryosuke Hayashi, Mikio Horimoto | 1993-04-06 |
| 5038823 | Device for preventing water hammer while regulating water pressure | Takeshi Motohashi, Yukihiro Fujishima | 1991-08-13 |