Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710833 | Radio-controlled timepiece and method of changing the waveform discrimination standard | — | 2010-05-04 |
| 7075859 | Radio-controlled timepiece and control method for the same | Fumiaki Miyahara | 2006-07-11 |
| 6967901 | Radio-controlled timepiece and control method for a radio-controlled timepiece | — | 2005-11-22 |
| 6956794 | Electronically controlled timepiece, and power supply control method and time correction method therefore | Hidenori Nakamura, Kunio Koike | 2005-10-18 |
| 6829199 | Electronic apparatus, electronically controlled mechanical timepiece, methods of controlling them, program for controlling electronic apparatus, and storage medium | Kunio Koike, Hidenori Nakamura | 2004-12-07 |
| 6819633 | Braking without stopping generator for timepiece and other electronic units | Kunio Koike, Hidenori Nakamura | 2004-11-16 |
| 6795378 | Electronic device, electronically controlled mechanical timepiece, and control method therefor | Kunio Koike, Hidenori Nakamura | 2004-09-21 |
| 6757220 | Electronically controlled timepiece, and power supply control method and time correction method therefor | Hidenori Nakamura, Kunio Koike | 2004-06-29 |
| 6693852 | Electronic device, electronically-controlled mechanical timepiece, and electronic device controlling method | Kunio Koike, Hidenori Nakamura | 2004-02-17 |
| 6639874 | Pointer electronic timepiece, operating method and control program thereof | Akihiko Maruyama | 2003-10-28 |
| 6584043 | Electronically controlled mechanical watch and method of preventing overcharge | Kunio Koike, Hidenori Nakamura | 2003-06-24 |
| 6483276 | Electronic device with variable chopping signal and duty ratio selection for strong braking | Kunio Koike, Hidenori Nakamura, Osamu Takahashi, Shigeyuki Fujimori, Osamu Shinkawa | 2002-11-19 |
| 6466519 | Electronic device, electronic timepiece and power control method | Hidenori Nakamura, Kunio Koike | 2002-10-15 |
| 6414909 | Electrically controlled mechanical timepiece and control method therefor | Kunio Koike, Hidenori Nakamura | 2002-07-02 |
| 6373789 | Electronically controlled mechanical timepiece and method controlling the same | Kunio Koike, Osamu Takahashi, Osamu Shinkawa | 2002-04-16 |
| 6314059 | Electronically controlled, mechanical timepiece and control method for the same | Kunio Koike, Hidenori Nakamura | 2001-11-06 |
| 5714944 | Selective call receiver for receiving at least two kinds of transmitted information signals | — | 1998-02-03 |
| 4376995 | Timekeeping device | — | 1983-03-15 |