- 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: 2628
10-year publication summary
|
261
|
281
|
284
|
231
|
210
|
150
|
129
|
116
|
94
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3653 |
175 |
| OSRAM Opto Semiconductors GmbH | 3316 |
107 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1425 |
107 |
| Lumileds LLC | 1907 |
82 |
| Seoul Semiconductor Co., Ltd. | 1080 |
56 |
| Samsung Electronics Co., Ltd. | 144143 |
54 |
| Kyocera Corporation | 13689 |
51 |
| Creeled, Inc. | 782 |
47 |
| Epistar Corporation | 1488 |
46 |
| OSRAM OLED GmbH | 1784 |
46 |
| LG Innotek Co., Ltd. | 7536 |
39 |
| Seoul Viosys Co., Ltd. | 1460 |
34 |
| Sharp Kabushiki Kaisha | 18799 |
33 |
| Panasonic Corporation | 20173 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
31 |
| Samsung Display Co., Ltd. | 34230 |
30 |
| Micron Technology, Inc. | 26209 |
28 |
| Koninklijke Philips N.V. | 24557 |
26 |
| Rohm Co., Ltd. | 6411 |
25 |
| Koninklijke Philips Electronics N.V. | 10018 |
22 |
| Other owners | 1558 |