- 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: 11467
10-year publication summary
|
1051
|
1068
|
1246
|
1166
|
883
|
850
|
730
|
621
|
276
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3782 |
1015 |
| OSRAM Opto Semiconductors GmbH | 3281 |
694 |
| Samsung Electronics Co., Ltd. | 150129 |
508 |
| Samsung Display Co., Ltd. | 36806 |
371 |
| Lumileds Singapore Pte. Ltd. | 1263 |
339 |
| OSRAM OLED GmbH | 1763 |
315 |
| Seoul Semiconductor Co., Ltd. | 1066 |
312 |
| Creeled, Inc. | 953 |
179 |
| Panasonic Intellectual Property Management Co., Ltd. | 32709 |
178 |
| Denka Company Limited | 2671 |
176 |
| Epistar Corporation | 1476 |
175 |
| Seoul Viosys Co., Ltd. | 1493 |
142 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1334 |
130 |
| Lumileds LLC | 733 |
128 |
| Innolux Corporation | 3443 |
115 |
| Sharp Kabushiki Kaisha | 18601 |
115 |
| Koninklijke Philips N.V. | 25246 |
113 |
| Signify Holding B.V. | 7739 |
108 |
| LG Innotek Co., Ltd. | 7974 |
106 |
| LG Electronics Inc. | 74038 |
104 |
| Other owners | 6144 |