- 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: 2556
10-year publication summary
|
279
|
282
|
231
|
210
|
145
|
121
|
105
|
83
|
39
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3812 |
173 |
| OSRAM Opto Semiconductors GmbH | 3274 |
105 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1297 |
100 |
| Lumileds Singapore Pte. Ltd. | 1259 |
56 |
| Creeled, Inc. | 960 |
53 |
| Kyocera Corporation | 14215 |
51 |
| Seoul Semiconductor Co., Ltd. | 1073 |
49 |
| Samsung Electronics Co., Ltd. | 152716 |
48 |
| Epistar Corporation | 1483 |
46 |
| OSRAM OLED GmbH | 1756 |
46 |
| LG Innotek Co., Ltd. | 8122 |
37 |
| Seoul Viosys Co., Ltd. | 1515 |
33 |
| Sharp Kabushiki Kaisha | 18613 |
33 |
| Panasonic Corporation | 19835 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
31 |
| Micron Technology, Inc. | 27243 |
28 |
| Samsung Display Co., Ltd. | 37561 |
26 |
| Lumileds LLC | 755 |
26 |
| Koninklijke Philips N.V. | 25470 |
25 |
| Rohm Co., Ltd. | 6718 |
24 |
| Other owners | 1535 |