Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D292017 | Demineralizing filter for ultrasonic humidifiers | — | 1987-09-22 |
| 4631152 | Humidifier | Tetsuei Uchida, Tsutomu Uchida, Susumu Kazama | 1986-12-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D292017 | Demineralizing filter for ultrasonic humidifiers | — | 1987-09-22 |
| 4631152 | Humidifier | Tetsuei Uchida, Tsutomu Uchida, Susumu Kazama | 1986-12-23 |