Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7643380 | Receiving circuit and time piece | — | 2010-01-05 |
| 7613441 | Radio wave reception device and radio wave clock | — | 2009-11-03 |
| 7587188 | Radio wave reception device, radio wave clock, and repeater | — | 2009-09-08 |
| 7583949 | Radio wave receiving device and radio wave receiving circuit | — | 2009-09-01 |
| 7551521 | Time information receiver and radio controlled watch | — | 2009-06-23 |
| 7542524 | Radio wave receiver, radio wave reception integrated circuit, wave clock, and repeater | — | 2009-06-02 |
| 7535953 | Time information transmitter-receiver, and time information transmission-reception integrated circuit | Keiichi Nomura | 2009-05-19 |
| 7515112 | Antenna device and radio wave controlled timepiece | Kazuaki Abe | 2009-04-07 |
| 7411870 | Radio-wave timepieces and time information receivers | Yoshiyuki Murata | 2008-08-12 |
| 7398075 | Radio wave reception device and radio wave clock | — | 2008-07-08 |
| 7369831 | Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater | — | 2008-05-06 |
| 7355556 | Antenna and electronic device | Kazuaki Abe | 2008-04-08 |
| 7215937 | Radio wave reception device, radio wave clock, and repeater | — | 2007-05-08 |
| 6927739 | Antenna and wristwatch equipped with antenna | Keiichi Nomura | 2005-08-09 |
| 6323623 | Charging device and charging method thereof | Shinobu Sumi | 2001-11-27 |