- 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: 2538
10-year publication summary
|
279
|
282
|
231
|
210
|
145
|
121
|
105
|
78
|
39
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3832 |
173 |
| OSRAM Opto Semiconductors GmbH | 3264 |
105 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1287 |
100 |
| Lumileds Singapore Pte. Ltd. | 1259 |
56 |
| Kyocera Corporation | 14242 |
51 |
| Creeled, Inc. | 964 |
51 |
| Seoul Semiconductor Co., Ltd. | 1068 |
49 |
| Samsung Electronics Co., Ltd. | 153845 |
48 |
| Epistar Corporation | 1420 |
46 |
| OSRAM OLED GmbH | 1754 |
46 |
| LG Innotek Co., Ltd. | 8182 |
37 |
| Seoul Viosys Co., Ltd. | 1523 |
33 |
| Sharp Kabushiki Kaisha | 18605 |
33 |
| Panasonic Corporation | 19586 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
31 |
| Micron Technology, Inc. | 27285 |
28 |
| Samsung Display Co., Ltd. | 37860 |
26 |
| Lumileds LLC | 761 |
26 |
| Koninklijke Philips N.V. | 25593 |
25 |
| Rohm Co., Ltd. | 6747 |
24 |
| Other owners | 1519 |