Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11752279 | Ultrasonic vibrator driving apparatus and mesh nebulizer | Masao Maeda | 2023-09-12 |
| 10603683 | Ultrasonic vibrator driving apparatus and mesh nebulizer | Masao Maeda | 2020-03-31 |
| 9161719 | Sleep evaluation device | Masakazu Tsutsumi, Hiroshi Harada, Hirotaka Hara | 2015-10-20 |
| 9072491 | Sleep evaluation device and sleep evaluation method | Yoko Kanemitsu, Yasuko Emori, Masakazu Tsutsumi, Feilang Tseng, Toshiro Ito | 2015-07-07 |