- 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: 18360
10-year publication summary
|
1226
|
1447
|
1550
|
1582
|
1716
|
1794
|
1931
|
2063
|
2195
|
325
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 72244 |
482 |
| Hewlett Packard Enterprise Development LP | 12172 |
353 |
| Fujitsu Limited | 23989 |
334 |
| Dell Products L.P. | 6912 |
333 |
| Intel Corporation | 47005 |
331 |
| Mitsubishi Electric Corporation | 36559 |
297 |
| Huawei Technologies Co., Ltd. | 68813 |
259 |
| Denso Corporation | 21805 |
256 |
| Samsung Electronics Co., Ltd. | 108011 |
194 |
| NEC Corporation | 27482 |
188 |
| Amazon Technologies, Inc. | 19577 |
179 |
| Google LLC | 31798 |
174 |
| Microsoft Technology Licensing, LLC | 48254 |
168 |
| Hewlett-Packard Development Company, L.P. | 27463 |
159 |
| Siemens AG | 30201 |
158 |
| Apple Inc. | 38979 |
153 |
| Sumitomo Electric Industries, Ltd. | 12057 |
139 |
| Hitachi Automotive Systems, Ltd. | 6241 |
135 |
| Hitachi, Ltd. | 18070 |
134 |
| General Electric Company | 28497 |
132 |
| Other owners | 13802 |