Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319155 | Nebulization control system for a piezoelectric ultrasonic nebulizer | Isao Kai, Hirohito Yamamoto | 1982-03-09 |
| 4237878 | Dripping fluid level detector | Toshiyuki Kobayashi, Isao Kai, Yoshinori Yonemori | 1980-12-09 |