- 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: 175
10-year publication summary
|
32
|
26
|
25
|
23
|
19
|
9
|
8
|
10
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19734 |
21 |
| Casio Computer Co., Ltd. | 3459 |
15 |
| citizen Watch Co., Ltd. | 1076 |
12 |
| Samsung Electronics Co., Ltd. | 149838 |
8 |
| Seiko Watch Corporation | 112 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 11549 |
6 |
| citizen Holdings Co., Ltd. | 296 |
6 |
| Apple Inc. | 56633 |
5 |
| Seiko Instruments Inc. | 476 |
5 |
| ETA SA Manufacture Horlogere Suisse | 681 |
5 |
| Huawei Technologies Co., Ltd. | 116616 |
4 |
| ZTE Corporation | 43178 |
4 |
| Boe Technology Group Co., Ltd. | 42050 |
4 |
| Qualcomm Incorporated | 88095 |
3 |
| Sony Corporation | 30735 |
3 |
| Samsung SDI Co., Ltd. | 9007 |
3 |
| RFMicron, Inc. | 79 |
3 |
| 3m Innovative Properties Company | 17604 |
2 |
| Intel Corporation | 46510 |
2 |
| Hi-Tek Office S.r.l. | 21 |
2 |
| Other owners | 55 |