Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654466 | Data communication equipment, data communication system, and data communication method | Yoshihiro Ikefuji | 2003-11-25 |
| 6624743 | Automatic adjusting responder with no self-contained power supply | Yoshihiro Ikefuji, Shigemi Chimura | 2003-09-23 |