- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 10/02 - Arrangements of electric power supplies in time-pieces the power supply being a radioactive source
Patent holdings for IPC class G04C 10/02
Total number of patents in this class: 154
10-year publication summary
|
10
|
19
|
13
|
11
|
17
|
22
|
16
|
8
|
16
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
49 |
| Casio Computer Co., Ltd. | 3343 |
28 |
| The Swatch Group Research and Development Ltd | 778 |
17 |
| Seiko Instruments Inc. | 660 |
12 |
| citizen Watch Co., Ltd. | 1062 |
10 |
| citizen Holdings Co., Ltd. | 332 |
5 |
| ETA SA Manufacture Horlogere Suisse | 638 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| TDK Corporation | 6306 |
3 |
| Garmin Switzerland GmbH | 82 |
3 |
| Kyocera Corporation | 12735 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Renesas Electronics Corporation | 6305 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement | 228 |
1 |
| Garmin Switzerland GmbH | 586 |
1 |
| Kyushu University, National University Corporation | 1572 |
1 |
| National University Corporation Nara Institute of Science and Technology | 275 |
1 |
| Nivarox-FAR S.A. | 265 |
1 |
| Other owners | 6 |