Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522361 | Electronic apparatus having the function of displaying the battery residual quantity and method for displaying the battery residual quantity | Yoshinari Higuchi, Toshio Koyama, Naoki Nagano | 2003-02-18 |
| 4792862 | Apparatus for recording a frequency modulated video signal with selective emphasis of its low frequency components | Koichi Goto | 1988-12-20 |