- 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: 2504
10-year publication summary
|
279
|
282
|
231
|
210
|
145
|
120
|
99
|
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 | 3886 |
172 |
| OSRAM Opto Semiconductors GmbH | 3239 |
105 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1241 |
100 |
| Lumileds Singapore Pte. Ltd. | 1262 |
57 |
| Kyocera Corporation | 14433 |
51 |
| Creeled, Inc. | 972 |
50 |
| Seoul Semiconductor Co., Ltd. | 1058 |
48 |
| Ennostar Corporation | 1577 |
47 |
| Samsung Electronics Co., Ltd. | 158605 |
46 |
| OSRAM OLED GmbH | 1390 |
38 |
| LG Innotek Co., Ltd. | 8525 |
37 |
| Sharp Kabushiki Kaisha | 18495 |
33 |
| Seoul Viosys Co., Ltd. | 1568 |
32 |
| Panasonic Corporation | 18809 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
30 |
| Micron Technology, Inc. | 27666 |
28 |
| Samsung Display Co., Ltd. | 38914 |
25 |
| Koninklijke Philips N.V. | 25978 |
25 |
| Lumileds LLC | 789 |
25 |
| Rohm Co., Ltd. | 6885 |
24 |
| Other owners | 1501 |