Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7145960 | Transmitter apparatus and communication system employing the same | Yoshihiro Nakao | 2006-12-05 |
| 6981179 | Microcomputer having built-in nonvolatile memory and check system thereof and IC card packing microcomputer having built-in nonvolatile memory and check system thereof | Kazuhiro Yaegawa, Masaaki Tanno, Nobuhiro Shimoyama, Tadao Takeda | 2005-12-27 |
| 6889905 | Electromagnetic coupling characteristic adjustment method in non-contact power supply system, power supply device, and non-contact power supply system | Yoshihiro Nakao | 2005-05-10 |
| 6737884 | Power-on reset circuit and IC card | Yoshihiro Nakao | 2004-05-18 |