- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/56 - Materials, e.g. epoxy or silicone resin
Patent holdings for IPC class H01L 33/56
Total number of patents in this class: 3376
10-year publication summary
|
424
|
343
|
376
|
345
|
262
|
185
|
178
|
164
|
91
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3808 |
430 |
| OSRAM Opto Semiconductors GmbH | 3274 |
172 |
| OSRAM OLED GmbH | 1757 |
118 |
| Samsung Electronics Co., Ltd. | 152534 |
114 |
| Seoul Semiconductor Co., Ltd. | 1073 |
71 |
| Lumileds Singapore Pte. Ltd. | 1260 |
69 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1298 |
58 |
| Samsung Display Co., Ltd. | 37493 |
55 |
| Rohm Co., Ltd. | 6711 |
51 |
| Shin-Etsu Chemical Co., Ltd. | 5893 |
50 |
| Creeled, Inc. | 960 |
43 |
| LG Chem, Ltd. | 17778 |
42 |
| LG Innotek Co., Ltd. | 8108 |
41 |
| Epistar Corporation | 1483 |
40 |
| Toyoda Gosei Co., Ltd. | 1827 |
37 |
| citizen Watch Co., Ltd. | 1080 |
37 |
| Dow Toray Co., Ltd. | 593 |
36 |
| Lintec Corporation | 1990 |
33 |
| Seoul Viosys Co., Ltd. | 1515 |
33 |
| Ams-osram International GmbH | 1190 |
33 |
| Other owners | 1813 |