Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9310773 | Analog electronic timepiece | Jyunichi Hirokawa, Shigeki Hisada | 2016-04-12 |
| 9058022 | Electronic timepiece and operation detection method of electronic timepiece | Mitsuaki Matsuo | 2015-06-16 |
| 8599650 | Marker detecting apparatus and radio-controlled timepiece | Takashi Sano | 2013-12-03 |
| 8542558 | Time information acquiring apparatus and radio controlled timepiece | Takashi Sano | 2013-09-24 |
| 8514665 | Time information acquiring apparatus and radio-controlled timepiece | Takashi Sano | 2013-08-20 |
| 8483016 | Time information acquiring apparatus and radio-controlled timepiece | Takashi Sano | 2013-07-09 |
| 8472284 | Radio controlled timepiece | Takashi Sano | 2013-06-25 |
| 8259536 | Analog electronic timepiece and stepping motor driving method | Kosuke Hasegawa | 2012-09-04 |