Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462777 | Display characteristic measurement apparatus for a color display apparatus, and a method for calibrating the same | — | 2002-10-08 |
| 6452627 | Calibration pattern display system, and a system and method for calibrating a display characteristic measurement apparatus | Teruo Ichikawa, Kazunari Mizuguchi | 2002-09-17 |
| 5835135 | Device for measuring a glow center of a display device | Shinji Shimizu | 1998-11-10 |
| 5385144 | Respiration diagnosis apparatus | Akio Yamanishi | 1995-01-31 |
| 5159198 | Infrared image pick-up apparatus | Hiroshi Kohsaka, Masakazu Nakanishi, Toshio Miyashita, Isamu Nakajima, Yuji Takumiya +1 more | 1992-10-27 |
| 4942877 | Device for measuring oxygen saturation degree in arterial blood | Takao Sakai | 1990-07-24 |
| 4765340 | Apnea detector | Takao Sakai | 1988-08-23 |
| 4714341 | Multi-wavelength oximeter having a means for disregarding a poor signal | Takao Sakai | 1987-12-22 |
| 4694833 | Noninvasive device for photoelectrically measuring the property of arterial blood | — | 1987-09-22 |
| 4586513 | Noninvasive device for photoelectrically measuring the property of arterial blood | — | 1986-05-06 |
| 4266554 | Digital oximeter | — | 1981-05-12 |