Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057413 | Foot water jetting device | Yumiko Katsukawa, Takahiro Suzuki, Hirotomo Suyama | 2011-11-15 |
| 6925659 | Fluid jetting device | Minoru Sato, Makoto Hatakeyama, Yoshiyuki Kioi | 2005-08-09 |
| 6795981 | Water discharging device | Minoru Sato, Makoto Hatakeyama, Kinya Arita | 2004-09-28 |
| 5427503 | Multi-stacked circular plate fan provided with blades | Hisato Haraga, Katsushi Akamatsu | 1995-06-27 |
| 5292479 | Air treatment by multi-stacked plate asembly | Hisato Haraga, Hajime Miyazaki, Katsushi Akamatsu, Ayako Hirano | 1994-03-08 |