- All sections
- G - Physics
- G04G - Electronic time-pieces
- G04G 19/00 - Electric power supply circuits specially adapted for use in electronic time-pieces
Patent holdings for IPC class G04G 19/00
Total number of patents in this class: 164
10-year publication summary
|
21
|
29
|
33
|
26
|
25
|
23
|
19
|
9
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
21 |
| Casio Computer Co., Ltd. | 3343 |
14 |
| Seiko Instruments Inc. | 660 |
12 |
| citizen Watch Co., Ltd. | 1062 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| citizen Holdings Co., Ltd. | 332 |
6 |
| Apple Inc. | 50209 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
5 |
| ZTE Corporation | 39218 |
4 |
| Boe Technology Group Co., Ltd. | 35384 |
4 |
| ETA SA Manufacture Horlogere Suisse | 638 |
4 |
| Qualcomm Incorporated | 76576 |
3 |
| Sony Corporation | 32931 |
3 |
| Samsung SDI Co., Ltd. | 6671 |
3 |
| RFMicron, Inc. | 77 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Intel Corporation | 45621 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Hi-Tek Office S.r.l. | 21 |
2 |
| Spark Connected LLC | 23 |
2 |
| Other owners | 48 |