- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 8/02 - Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
Patent holdings for IPC class H02P 8/02
Total number of patents in this class: 75
10-year publication summary
|
7
|
11
|
7
|
6
|
15
|
6
|
3
|
1
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| citizen Watch Co., Ltd. | 1076 |
19 |
| Seiko Epson Corporation | 19367 |
10 |
| Casio Computer Co., Ltd. | 3430 |
10 |
| Seiko Watch Corporation | 112 |
10 |
| citizen Holdings Co., Ltd. | 306 |
5 |
| EM Microelectronic-Marin SA | 231 |
3 |
| ETA SA Manufacture Horlogere Suisse | 682 |
3 |
| Minebea Mitsumi Inc. | 1744 |
2 |
| Texas Instruments Incorporated | 19460 |
1 |
| Texas Instruments Japan, Ltd. | 1656 |
1 |
| Ricoh Company, Ltd. | 13279 |
1 |
| Infineon Technologies AG | 8225 |
1 |
| Seiko Instruments Inc. | 503 |
1 |
| Belimo Holding AG | 274 |
1 |
| Bühler Motor GmbH | 123 |
1 |
| Long-time-liner Conture Make-up GmbH | 9 |
1 |
| Protective Energy Economizer Technology | 6 |
1 |
| Seiko Watch Kabushiki Kaisha | 43 |
1 |
| Sieko Epson Corporation | 5 |
1 |
| The Swatch Group Research and Development Ltd | 862 |
1 |
| Other owners | 1 |