- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/50 - Wavelength conversion elements
Patent holdings for IPC class H01L 33/50
Total number of patents in this class: 11144
10-year publication summary
|
1051
|
1068
|
1246
|
1166
|
883
|
809
|
628
|
556
|
266
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3886 |
994 |
| OSRAM Opto Semiconductors GmbH | 3239 |
688 |
| Samsung Electronics Co., Ltd. | 158605 |
492 |
| Lumileds Singapore Pte. Ltd. | 1262 |
332 |
| Samsung Display Co., Ltd. | 38914 |
321 |
| Seoul Semiconductor Co., Ltd. | 1058 |
297 |
| OSRAM OLED GmbH | 1390 |
248 |
| Ennostar Corporation | 1577 |
229 |
| Creeled, Inc. | 972 |
177 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
175 |
| Denka Company Limited | 2754 |
174 |
| Ams-osram International GmbH | 1676 |
144 |
| Seoul Viosys Co., Ltd. | 1568 |
133 |
| Lumileds LLC | 789 |
132 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1241 |
126 |
| Sharp Kabushiki Kaisha | 18495 |
115 |
| Koninklijke Philips N.V. | 25978 |
113 |
| Innolux Corporation | 3599 |
112 |
| Signify Holding B.V. | 8146 |
108 |
| LG Innotek Co., Ltd. | 8525 |
104 |
| Other owners | 5930 |