- 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: 170
10-year publication summary
|
29
|
33
|
26
|
25
|
23
|
19
|
9
|
9
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18984 |
21 |
| Casio Computer Co., Ltd. | 3372 |
15 |
| citizen Watch Co., Ltd. | 1070 |
12 |
| Samsung Electronics Co., Ltd. | 138729 |
8 |
| Seiko Watch Corporation | 112 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 11080 |
6 |
| citizen Holdings Co., Ltd. | 325 |
6 |
| Apple Inc. | 52680 |
5 |
| Seiko Instruments Inc. | 516 |
5 |
| ZTE Corporation | 41075 |
4 |
| Boe Technology Group Co., Ltd. | 38828 |
4 |
| ETA SA Manufacture Horlogere Suisse | 660 |
4 |
| Qualcomm Incorporated | 81758 |
3 |
| Sony Corporation | 31550 |
3 |
| Huawei Technologies Co., Ltd. | 106664 |
3 |
| Samsung SDI Co., Ltd. | 7318 |
3 |
| RFMicron, Inc. | 78 |
3 |
| 3m Innovative Properties Company | 17951 |
2 |
| Intel Corporation | 46119 |
2 |
| Hi-Tek Office S.r.l. | 21 |
2 |
| Other owners | 52 |