- All sections
- G - Physics
- G07C - Time or attendance registersregistering or indicating the working of machinesgenerating random numbersvoting or lottery apparatusarrangements, systems or apparatus for checking not provided for elsewhere
- G07C 1/20 - Checking timed patrols, e.g. of watchman
Patent holdings for IPC class G07C 1/20
Total number of patents in this class: 62
10-year publication summary
|
1
|
6
|
6
|
0
|
9
|
11
|
5
|
1
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China University of Mining and Technology | 1257 |
4 |
| American International Group, Inc. | 395 |
3 |
| Advanced New Technologies Co., Ltd. | 2275 |
3 |
| Hangzhou Hikvision Digital Technology Co., Ltd. | 1273 |
2 |
| Track Group, Inc. | 19 |
2 |
| Acsys Holdings Limited | 10 |
2 |
| Shenzhen Chao Weida Technology Co., Ltd | 41 |
2 |
| Beijing Hai Yi Tong Zhan Information Technology Co., Ltd. | 65 |
2 |
| Beijing Ccri-tianma Automation Technology Co., Ltd. | 66 |
2 |
| Beijing Tianma Intelligent Control Technology Co., Ltd. | 19 |
2 |
| Toyota Motor Corporation | 32542 |
1 |
| Kimberly-clark Worldwide, Inc. | 5499 |
1 |
| Denso Corporation | 24372 |
1 |
| ZTE Corporation | 42606 |
1 |
| Yamaha Motor Co., Ltd. | 2818 |
1 |
| Beijing Tocel Electronics Co., Ltd. | 4 |
1 |
| China UnionPay Co., Ltd. | 860 |
1 |
| Daprox AB | 15 |
1 |
| Hytera Communications Corp., Ltd. | 125 |
1 |
| Keefe Group, LLC | 92 |
1 |
| Other owners | 28 |