- 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: 3326
10-year publication summary
|
424
|
343
|
376
|
345
|
261
|
185
|
165
|
151
|
90
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3870 |
430 |
| OSRAM Opto Semiconductors GmbH | 3248 |
171 |
| Samsung Electronics Co., Ltd. | 157300 |
114 |
| OSRAM OLED GmbH | 1393 |
99 |
| Seoul Semiconductor Co., Ltd. | 1051 |
69 |
| Lumileds Singapore Pte. Ltd. | 1262 |
69 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1259 |
55 |
| Ams-osram International GmbH | 1635 |
54 |
| Samsung Display Co., Ltd. | 38544 |
53 |
| Rohm Co., Ltd. | 6811 |
51 |
| Shin-Etsu Chemical Co., Ltd. | 6063 |
50 |
| LG Chem, Ltd. | 17926 |
42 |
| Creeled, Inc. | 969 |
41 |
| LG Innotek Co., Ltd. | 8427 |
39 |
| Ennostar Corporation | 969 |
39 |
| Toyoda Gosei Co., Ltd. | 1859 |
37 |
| citizen Watch Co., Ltd. | 1086 |
37 |
| Dow Toray Co., Ltd. | 620 |
36 |
| Lintec Corporation | 2008 |
33 |
| Seoul Viosys Co., Ltd. | 1556 |
33 |
| Other owners | 1774 |