Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448800 | Load current output circuit for electronic device and IC tester using the same load current output circuit | Keiichi Yamamoto, Akio Oosaki | 2002-09-10 |
| 6449012 | Scanning type image pick-up apparatus and a scanning type laser beam receive apparatus | Keizo Fujibayashi, Naoki Hosaka, Tetsuo Sado | 2002-09-10 |
| 6427065 | Power transmission system, IC card and information communication system using IC card | Takashi Suga, Ryouzou Yoshino, Kenji Nagai | 2002-07-30 |
| 6424201 | Diode element circuit and switch circuit using the same | Keiichi Yamamoto, Akio Oosaki | 2002-07-23 |