Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209471 | Removing effects of instabilities of measurement system | Joel P. Dunsmore, Gen Tokumoto | 2021-12-28 |
| 7474975 | Method to verify the outcome of calibration with a network analyzer | — | 2009-01-06 |
| 7415373 | Method of measuring frequency translation device | Haruhiko Yanamaka | 2008-08-19 |
| 7298158 | Network analyzing apparatus and test method | — | 2007-11-20 |
| 5754067 | Frequency divider with shift register and modulator | Yoshiyuki Yanagimoto | 1998-05-19 |
| 5600249 | Determining contact quality of an impedance meter | Kazuyuki Yagi, Masahiro Ikeda | 1997-02-04 |
| 5508617 | Electric power measuring apparatus and method | — | 1996-04-16 |
| 5416470 | Contact judging circuit and contact judging method for impedance measuring apparatus | Hideshi Tanaka, Nobuhiro Shitara, Naoko Ohtomo | 1995-05-16 |
| 4885528 | Apparatus which uses a simulated inductor in the measurement of an electrical parameter of a device under test | Hideshi Tanaka, Kazuyuki Yagi, Shigeru Tanimoto, Koichi Yanagawa, Yoichi Kuboyama | 1989-12-05 |