- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Patent holdings for IPC class H04Q 9/00
Total number of patents in this class: 6457
10-year publication summary
|
574
|
614
|
661
|
765
|
795
|
593
|
489
|
432
|
307
|
97
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
291 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
229 |
| Sony Corporation | 32931 |
115 |
| Samsung Electronics Co., Ltd. | 131630 |
97 |
| Sharp Kabushiki Kaisha | 18957 |
95 |
| NEC Corporation | 32703 |
94 |
| Panasonic Corporation | 20786 |
92 |
| Omron Corporation | 6968 |
84 |
| Panasonic Intellectual Property Corporation of America | 7230 |
82 |
| Daikin Industries, Ltd. | 9495 |
80 |
| Robert Bosch GmbH | 40953 |
73 |
| LG Electronics Inc. | 69257 |
65 |
| Kyocera Corporation | 12735 |
56 |
| Strong Force IoT Portfolio 2016, LLC | 320 |
55 |
| Sumitomo Electric Industries, Ltd. | 14131 |
54 |
| Google LLC | 38759 |
54 |
| Denso Corporation | 23338 |
47 |
| Hitachi, Ltd. | 16452 |
45 |
| DexCom, Inc. | 1502 |
42 |
| Intel Corporation | 45621 |
40 |
| Other owners | 4667 |