- 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: 1764
10-year publication summary
|
179
|
162
|
170
|
179
|
146
|
132
|
139
|
106
|
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. | 1468 |
124 |
| Epistar Corporation | 1489 |
123 |
| Samsung Electronics Co., Ltd. | 144675 |
108 |
| Samsung Display Co., Ltd. | 34349 |
73 |
| OSRAM Opto Semiconductors GmbH | 3314 |
57 |
| Nichia Corporation | 3691 |
57 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1421 |
55 |
| OSRAM OLED GmbH | 1783 |
53 |
| Toyoda Gosei Co., Ltd. | 1770 |
37 |
| Showa Denko K.K. | 2266 |
34 |
| Seoul Semiconductor Co., Ltd. | 1078 |
32 |
| Lumileds LLC | 1911 |
29 |
| Rohm Co., Ltd. | 6414 |
28 |
| Micron Technology, Inc. | 26221 |
27 |
| LG Electronics Inc. | 72675 |
26 |
| Aledia | 346 |
25 |
| LG Display Co., Ltd. | 13283 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10925 |
19 |
| Boe Technology Group Co., Ltd. | 40728 |
19 |
| Apple Inc. | 54577 |
18 |
| Other owners | 798 |