Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901926 | Ultrasonic atomizer, ultrasonic inhaler and method of controlling same | Kei Asai | 2005-06-07 |
| 6651650 | Ultrasonic atomizer, ultrasonic inhaler and method of controlling same | Kei Asai, Masaru Obata | 2003-11-25 |
| D476492 | Massage chair | Kichiro Miyata, Hisashi Miyaoka | 2003-07-01 |
| D370255 | Medicament inhaler | Kei Asai, Toshijii Takahashi | 1996-05-28 |
| 4793339 | Ultrasonic atomizer and storage bottle and nozzle therefor | Kazuhiro Matsumoto, Kei Asai | 1988-12-27 |
| 4790479 | Oscillating construction for an ultrasonic atomizer inhaler | Kazuhiro Matsumoto, Kei Asai | 1988-12-13 |
| 4319155 | Nebulization control system for a piezoelectric ultrasonic nebulizer | Hideharu Nakai, Isao Kai | 1982-03-09 |