- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/42 - Transparent materials
Patent holdings for IPC class H01L 33/42
Total number of patents in this class: 1768
10-year publication summary
|
179
|
162
|
170
|
179
|
146
|
132
|
141
|
107
|
112
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Viosys Co., Ltd. | 1460 |
126 |
| Epistar Corporation | 1488 |
123 |
| Samsung Electronics Co., Ltd. | 143812 |
108 |
| Samsung Display Co., Ltd. | 34170 |
74 |
| OSRAM Opto Semiconductors GmbH | 3318 |
57 |
| Nichia Corporation | 3649 |
57 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1428 |
55 |
| OSRAM OLED GmbH | 1784 |
53 |
| Toyoda Gosei Co., Ltd. | 1769 |
37 |
| Showa Denko K.K. | 2276 |
34 |
| Seoul Semiconductor Co., Ltd. | 1078 |
32 |
| Lumileds LLC | 1906 |
29 |
| Rohm Co., Ltd. | 6411 |
28 |
| Micron Technology, Inc. | 26196 |
27 |
| LG Electronics Inc. | 72357 |
26 |
| Aledia | 342 |
25 |
| LG Display Co., Ltd. | 13158 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10818 |
19 |
| Boe Technology Group Co., Ltd. | 40580 |
19 |
| Apple Inc. | 54416 |
18 |
| Other owners | 799 |