Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332873 | Hand-held massaging apparatus | Koichi Hashimoto | 2001-12-25 |
| 6210349 | Roller massaging apparatus | Keiji Hata, Yoshiyuki Miyake, Toyohito Hasegawa, Mikio Ito | 2001-04-03 |
| 5997489 | Massager with rotatable head and roller | Hironori Iwamoto, Sanai Fukui, Keiji Hata, Maki Hirakawa, Mikio Ito | 1999-12-07 |
| 5307791 | Air massaging device with a precise pressure control | Masaharu Senoue | 1994-05-03 |
| 5233974 | Air massaging apparatus with a series of sequentially inflating air bags | Masaharu Senoue | 1993-08-10 |
| 4825486 | Bedsore-preventing air mattress controller | Rokusaburo Kimura, Yoshie Watari, Satoshi Nakayama | 1989-05-02 |
| 4653130 | Bedsore preventing apparatus | Masaharu Senoue | 1987-03-31 |