Class G04C : ELECTROMECHANICAL CLOCKS OR WATCHES
Subclass 3/14: Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (clocks driven by synchronous motors G04C 15/00) incorporating a stepping motor (G04C 3/02-G04C 3/12 take precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12259691 | Electronic watch | Jun 25, 20 | Mar 25, 25 | Seiko Epson Corporation |
| 12248280 | Motor group for watches | Oct 03, 19 | Mar 11, 25 | ETA SA Manufacture Horlogere Suisse |
| 12204285 | Horological movement comprising a generator | Mar 16, 22 | Jan 21, 25 | ETA SA Manufacture Horlogère Suisse |
| 12189339 | Pointer device, electronic watch, control method for pointer device, and recording medium | Nov 19, 20 | Jan 07, 25 | Casio Computer Co. Ltd. |
| 12189343 | Electronic watch | Nov 24, 21 | Jan 07, 25 | Seiko Epson Corporation |
| 12169393 | Automatic time correction in a watch | May 14, 21 | Dec 17, 24 | ETA SA Manufacture Horlogère Suisse |
| 12158730 | Movement and electronic watch | Sep 09, 21 | Dec 03, 24 | Seiko Epson Corporation |
| 12085895 | Notification control device, watch, notification control method, and non-transitory recording medium | Sep 07, 21 | Sep 10, 24 | Casio Computer Co. Ltd. |
| 12055899 | Watch, pointer control method, and non-transitory recording medium | Sep 08, 21 | Aug 06, 24 | Casio Computer Co. Ltd. |
| 12055900 | Hand driving device, electronic watch, hand driving method, and recording medium | Nov 24, 20 | Aug 06, 24 | Casio Computer Co. Ltd. |
| 12025957 | Method for controlling electronic watch and electronic watch | Jun 05, 20 | Jul 02, 24 | Seiko Epson Corporation |
| 11971688 | Electronic timepiece and indication control method | Feb 03, 21 | Apr 30, 24 | Casio Computer Co. Ltd. |
| 11929640 | Stator, movement, timepiece, method for manufacturing movement and method for manufacturing stator | Sep 16, 20 | Mar 12, 24 | Seiko Instruments Inc. |
| 11906934 | Watch motor control circuit, electronic watch, and watch motor control method | Jan 08, 21 | Feb 20, 24 | Seiko Epson Corporation |
| 11855575 | Step motor drive device | Aug 26, 20 | Dec 26, 23 | Citizen Watch Co. Ltd. |
| 11841687 | Electromechanical watch | Jul 20, 20 | Dec 12, 23 | ETA SA Manufacture Horlogère Suisse |
| 11835924 | Watch having a first barrel complete with a diameter that is less than a diameter of a second barrel complete | Jan 26, 21 | Dec 05, 23 | Seiko Epson Corporation |
| 11803163 | Electronic watch | Nov 05, 20 | Oct 31, 23 | Seiko Epson Corporation |
| 11803159 | Electronic timepiece and indicator position detection method | Oct 15, 19 | Oct 31, 23 | Seiko Epson Corporation |
| 11693368 | Electronic timepiece, movement, and motor control circuit | Dec 17, 19 | Jul 04, 23 | Seiko Epson Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0402,652 | ANALOG ELECTRONIC TIMEPIECE | Mar 22, 22 | Dec 05, 24 | Not available |
| 2024/0313,677 | STEPPING MOTOR CONTROL DEVICE, MOVEMENT, WATCH, AND STEPPING MOTOR CONTROL METHOD | Mar 08, 24 | Sep 19, 24 | Not available |
| 2024/0280,939 | NOTIFICATION CONTROL DEVICE, WATCH, NOTIFICATION CONTROL METHOD, AND NON-TRANSITORY RECORDING MEDIUM | May 01, 24 | Aug 22, 24 | Casio Computer Co. Ltd. |
| 2024/0204,703 | ELECTROMECHANICAL WATCH CAPABLE OF CONTACTLESS COMMUNICATION WITH A COMMUNICATION DEVICE | Dec 04, 23 | Jun 20, 24 | ETA SA Manufacture Horlogère Suisse |
| 2024/0186,923 | CONTROL CIRCUIT OF A STEPPER MOTOR CAPABLE OF DETECTING AN EXTERNAL MAGNETIC FIELD | Nov 20, 23 | Jun 06, 24 | ETA SA Manufacture Horlogère Suisse |
| 2024/0176,300 | INFORMATION DISPLAY MECHANISM, TIMEPIECE MOVEMENT, AND TIMEPIECE | Oct 27, 23 | May 30, 24 | Not available |
| 2023/0229,114 | Electronic Watch And Electronic Watch Control Method | Jan 18, 23 | Jul 20, 23 | Not available |
| 2022/0291,637 | STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MOTOR CONTROL METHOD | Mar 07, 22 | Sep 15, 22 | Not available |
| 2021/0364,991 | DIGITALLY-CONTROLLED ANALOG ART CLOCKS AND VERTICAL CLOCKS | May 19, 21 | Nov 25, 21 | Not available |
| 2021/0263,474 | STEP MOTOR DRIVING DEVICE | Jun 21, 19 | Aug 26, 21 | Not available |
| 2021/0216,045 | Watch Motor Control Circuit, Electronic Watch, And Watch Motor Control Method | Jan 08, 21 | Jul 15, 21 | Not available |
| 2020/0333,749 | STEP MOTOR DRIVE DEVICE AND CIRCUIT | Jun 29, 20 | Oct 22, 20 | Citizen Watch Co. Ltd. |
| 2020/0301,370 | MOVEMENT OF ELECTRONIC TIMEPIECE AND ELECTRONIC TIMEPIECE | Aug 07, 18 | Sep 24, 20 | Not available |
| 2020/0285,200 | ELECTRONIC TIMEPIECE, MOVEMENT, AND MOTOR CONTROL CIRCUIT | Mar 06, 20 | Sep 10, 20 | Not available |
| 2020/0225,620 | TIMEPIECE AND TIMEPIECE MOTOR CONTROL METHOD | Jan 07, 20 | Jul 16, 20 | Not available |
| 2020/0225,619 | STATOR, STEPPING MOTOR, TIMEPIECE MOVEMENT, TIMEPIECE, AND MANUFACTURING METHOD OF STATOR | Jan 06, 20 | Jul 16, 20 | Not available |
| 2020/0049,529 | GEAR DETECTION CIRCUIT AND WRIST WATCH | Oct 22, 19 | Feb 13, 20 | Not available |
| 2020/0019,123 | MOTOR DRIVING APPARATUS, MOTOR CONTROL METHOD, AND TIMEPIECE | Jul 08, 19 | Jan 16, 20 | Not available |
| 2019/0332,060 | ELECTRONIC TIMEPIECE | Apr 25, 19 | Oct 31, 19 | Not available |
| 2019/0332,065 | DRIVING DEVICE AND ELECTRONIC TIMEPIECE | Jul 09, 19 | Oct 31, 19 | Casio Computer Co. Ltd. |
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