- 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: 22381
10-year publication summary
|
1550
|
1581
|
1718
|
1796
|
1943
|
2124
|
2288
|
2302
|
2480
|
1080
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dell Products L.P. | 8981 |
456 |
| Huawei Technologies Co., Ltd. | 91895 |
412 |
| Intel Corporation | 46080 |
384 |
| International Business Machines Corporation | 63228 |
375 |
| Mitsubishi Electric Corporation | 41731 |
331 |
| Hewlett Packard Enterprise Development LP | 10892 |
330 |
| Samsung Electronics Co., Ltd. | 123537 |
328 |
| Denso Corporation | 23155 |
292 |
| Fujitsu Limited | 19903 |
282 |
| Microsoft Technology Licensing, LLC | 48394 |
233 |
| Google LLC | 36075 |
221 |
| Baidu USA LLC | 1016 |
203 |
| Amazon Technologies, Inc. | 23321 |
188 |
| NEC Corporation | 30716 |
182 |
| Hewlett-Packard Development Company, L.P. | 29544 |
182 |
| Sumitomo Wiring Systems, Ltd. | 8773 |
179 |
| Hitachi Astemo, Ltd. | 5097 |
178 |
| Sumitomo Electric Industries, Ltd. | 13520 |
177 |
| ZTE Corporation | 37056 |
162 |
| Apple Inc. | 46297 |
159 |
| Other owners | 17127 |