Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554194 | IC card and its manufacturing method | Naoto Saito, Hideo Miura, Hiroyuki Ohta, Kunio Matsumoto, Ryozo Yoshino | 2003-04-29 |
| 6538877 | Gas insulation switch | Tokio Yamagiwa, Hiroki Honma | 2003-03-25 |