Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11730397 | Signal processing apparatus, signal processing system, and signal processing program | Kyuichi Niizeki | 2023-08-22 |
| 11627884 | Blood pressure calculation method and device | Kyuichi Niizeki | 2023-04-18 |
| 11089993 | Device and method for measuring sleep state, phase coherence calculation device, body vibration signal measurement device, stress level measurement device, sleep state measurement device, and cardiac waveform extraction method | Tsutomu Fujita, Kyuichi Niizeki | 2021-08-17 |
| 7221399 | Imaging apparatus with a multifocal lens formed of two pieces with different focal lengths | Tsutomu Fujita | 2007-05-22 |
| 5080039 | Processing apparatus | Takayoshi Kogano, Fumio Ito | 1992-01-14 |
| 4957781 | Processing apparatus | Takayoshi Kogano, Fumio Ito | 1990-09-18 |