Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7180582 | Apparatus and method for measuring characteristics of optical fibers | Tetsuo Yano, Shouichi Aoki | 2007-02-20 |
| 6794857 | Apparatus and method for measuring a phase delay characteristic | Seiji Toyoda | 2004-09-21 |
| 6342849 | Method and apparatus for peak detection of an analog signal | — | 2002-01-29 |
| 5522105 | Health pillow | Fujio Soga | 1996-06-04 |