Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885528 | Apparatus which uses a simulated inductor in the measurement of an electrical parameter of a device under test | Hideshi Tanaka, Shigeru Tanimoto, Yasuaki Komatsu, Koichi Yanagawa, Yoichi Kuboyama | 1989-12-05 |
| 4795962 | Floating driver circuit and a device for measuring impedances of electrical components | Kouichi Yanagawa | 1989-01-03 |