Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590888 | Cellar system, mobile portable apparatus, base station apparatus, optimum path detecting method, and apparatus thereof | — | 2003-07-08 |
| 6533182 | Two-dimensional dot code and reader thereof | Tomohiro Inoue, Hideki Chujo | 2003-03-18 |