Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752422 | Ultrasonic humidifier | Tsutomu Uchida, Akio Hirasawa, Susumu Kazama | 1988-06-21 |
| 4631152 | Humidifier | Tsutomu Uchida, Nobuo Tsuchida, Susumu Kazama | 1986-12-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752422 | Ultrasonic humidifier | Tsutomu Uchida, Akio Hirasawa, Susumu Kazama | 1988-06-21 |
| 4631152 | Humidifier | Tsutomu Uchida, Nobuo Tsuchida, Susumu Kazama | 1986-12-23 |