- All sections
- H - Electricity
- H05K - Printed circuits; casings or constructional details of electric apparatus; manufacture of assemblages of electrical components
- H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
Patent holdings for IPC class H05K 7/20
Total number of patents in this class: 25059
10-year publication summary
1581
|
1718
|
1797
|
1945
|
2126
|
2305
|
2338
|
2567
|
2713
|
1996
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dell Products L.P. | 12174 |
570 |
Huawei Technologies Co., Ltd. | 104236 |
489 |
Samsung Electronics Co., Ltd. | 135388 |
408 |
Intel Corporation | 45816 |
401 |
International Business Machines Corporation | 59199 |
354 |
Mitsubishi Electric Corporation | 44614 |
352 |
Hewlett Packard Enterprise Development LP | 10665 |
326 |
Denso Corporation | 23389 |
309 |
Microsoft Technology Licensing, LLC | 51812 |
299 |
Fujitsu Limited | 18875 |
261 |
Baidu USA LLC | 1087 |
234 |
Google LLC | 39803 |
231 |
Hitachi Astemo, Ltd. | 5835 |
209 |
Sumitomo Wiring Systems, Ltd. | 9661 |
202 |
Sumitomo Electric Industries, Ltd. | 14484 |
196 |
ZTE Corporation | 40230 |
195 |
Amazon Technologies, Inc. | 24757 |
187 |
Panasonic Intellectual Property Management Co., Ltd. | 28660 |
172 |
Apple Inc. | 51108 |
170 |
NEC Corporation | 33474 |
170 |
Other owners | 19324 |