Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162459 | Ink cartridge and residual amount display method | — | 2012-04-24 |
| 6825830 | Information processing system, information processing method, and computer-readable recording medium for executing information processing method on a computer | Haruo Hashimoto, Masahiro Noguchi, Tomozumi Saruwatari, Takashi Ito, Hiroshi Odagiri | 2004-11-30 |
| 6320280 | Electronic device fitted with power generators | — | 2001-11-20 |
| 6304521 | Thermoelectric generating electronic timepiece | — | 2001-10-16 |
| 6100671 | Electronic equipment power charging system | — | 2000-08-08 |
| 5621703 | Radio wave-corrected timepiece | — | 1997-04-15 |
| 5166912 | Analog electronic timepiece | — | 1992-11-24 |