- 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: 2604
10-year publication summary
274
|
262
|
281
|
285
|
231
|
210
|
148
|
122
|
109
|
24
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nichia Corporation | 3394 |
154 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
119 |
OSRAM Opto Semiconductors GmbH | 3390 |
106 |
Lumileds LLC | 1827 |
83 |
Seoul Semiconductor Co., Ltd. | 1073 |
63 |
Samsung Electronics Co., Ltd. | 131630 |
51 |
Kyocera Corporation | 12735 |
50 |
OSRAM OLED GmbH | 1841 |
48 |
Epistar Corporation | 1553 |
44 |
Creeled, Inc. | 748 |
44 |
LG Innotek Co., Ltd. | 6758 |
39 |
Rohm Co., Ltd. | 5843 |
37 |
Seoul Viosys Co., Ltd. | 1359 |
34 |
Koninklijke Philips Electronics N.V. | 13133 |
33 |
Sharp Kabushiki Kaisha | 18957 |
33 |
Panasonic Corporation | 20786 |
32 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
31 |
Samsung Display Co., Ltd. | 30585 |
30 |
Micron Technology, Inc. | 24960 |
28 |
Koninklijke Philips N.V. | 22975 |
26 |
Other owners | 1519 |