Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570728 | Tape cassette including memory unit storing reproduction control instructions | Ken Iizuka | 2003-05-27 |
| 6522361 | Electronic apparatus having the function of displaying the battery residual quantity and method for displaying the battery residual quantity | Yoshinari Higuchi, Toshio Koyama, Yoichi Tsusue | 2003-02-18 |