- 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: 11355
10-year publication summary
|
1051
|
1068
|
1246
|
1166
|
883
|
831
|
685
|
603
|
274
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3832 |
1006 |
| OSRAM Opto Semiconductors GmbH | 3264 |
693 |
| Samsung Electronics Co., Ltd. | 153845 |
502 |
| Samsung Display Co., Ltd. | 37860 |
349 |
| Lumileds Singapore Pte. Ltd. | 1259 |
335 |
| OSRAM OLED GmbH | 1754 |
315 |
| Seoul Semiconductor Co., Ltd. | 1068 |
305 |
| Creeled, Inc. | 964 |
179 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
178 |
| Denka Company Limited | 2700 |
175 |
| Epistar Corporation | 1420 |
162 |
| Seoul Viosys Co., Ltd. | 1523 |
135 |
| Lumileds LLC | 761 |
133 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1287 |
130 |
| Innolux Corporation | 3538 |
115 |
| Sharp Kabushiki Kaisha | 18605 |
115 |
| Koninklijke Philips N.V. | 25593 |
113 |
| Signify Holding B.V. | 7901 |
108 |
| LG Innotek Co., Ltd. | 8182 |
105 |
| LG Electronics Inc. | 74968 |
104 |
| Other owners | 6098 |