- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/64 - Heat extraction or cooling elements
Patent holdings for IPC class H01L 33/64
Total number of patents in this class: 2609
10-year publication summary
|
256
|
279
|
282
|
231
|
210
|
148
|
126
|
113
|
92
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3713 |
175 |
| OSRAM Opto Semiconductors GmbH | 3311 |
106 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1415 |
105 |
| Lumileds Singapore Pte. Ltd. | 1275 |
57 |
| Seoul Semiconductor Co., Ltd. | 1081 |
55 |
| Samsung Electronics Co., Ltd. | 146811 |
53 |
| Creeled, Inc. | 941 |
52 |
| Kyocera Corporation | 13857 |
51 |
| Epistar Corporation | 1489 |
46 |
| OSRAM OLED GmbH | 1776 |
46 |
| LG Innotek Co., Ltd. | 7667 |
38 |
| Seoul Viosys Co., Ltd. | 1472 |
34 |
| Sharp Kabushiki Kaisha | 18757 |
33 |
| Samsung Display Co., Ltd. | 34907 |
31 |
| Panasonic Corporation | 20088 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
31 |
| Micron Technology, Inc. | 26264 |
28 |
| Koninklijke Philips N.V. | 24767 |
25 |
| Rohm Co., Ltd. | 6471 |
25 |
| Lumileds LLC | 705 |
25 |
| Other owners | 1562 |