- 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: 2511
10-year publication summary
|
279
|
282
|
231
|
210
|
145
|
120
|
102
|
71
|
39
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3876 |
172 |
| OSRAM Opto Semiconductors GmbH | 3243 |
105 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1253 |
100 |
| Lumileds Singapore Pte. Ltd. | 1262 |
57 |
| Kyocera Corporation | 14383 |
51 |
| Creeled, Inc. | 972 |
50 |
| Seoul Semiconductor Co., Ltd. | 1056 |
49 |
| Samsung Electronics Co., Ltd. | 157946 |
48 |
| Ennostar Corporation | 1576 |
47 |
| OSRAM OLED GmbH | 1392 |
38 |
| LG Innotek Co., Ltd. | 8486 |
37 |
| Sharp Kabushiki Kaisha | 18523 |
33 |
| Seoul Viosys Co., Ltd. | 1561 |
32 |
| Panasonic Corporation | 18962 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
30 |
| Micron Technology, Inc. | 27675 |
28 |
| Samsung Display Co., Ltd. | 38676 |
25 |
| Koninklijke Philips N.V. | 25873 |
25 |
| Lumileds LLC | 784 |
25 |
| Rohm Co., Ltd. | 6837 |
24 |
| Other owners | 1504 |