- 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: 1678
10-year publication summary
|
207
|
179
|
162
|
170
|
179
|
146
|
134
|
132
|
104
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Viosys Co., Ltd. | 1359 |
125 |
| Epistar Corporation | 1553 |
121 |
| Samsung Electronics Co., Ltd. | 131630 |
86 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
64 |
| Samsung Display Co., Ltd. | 30585 |
62 |
| OSRAM Opto Semiconductors GmbH | 3390 |
57 |
| Nichia Corporation | 3394 |
51 |
| OSRAM OLED GmbH | 1841 |
51 |
| Showa Denko K.K. | 2539 |
41 |
| Rohm Co., Ltd. | 5843 |
39 |
| Toyoda Gosei Co., Ltd. | 1746 |
36 |
| Seoul Semiconductor Co., Ltd. | 1073 |
30 |
| Lumileds LLC | 1827 |
28 |
| Micron Technology, Inc. | 24960 |
25 |
| Aledia | 303 |
25 |
| LG Innotek Co., Ltd. | 6758 |
22 |
| LG Electronics Inc. | 69257 |
21 |
| Glo Technologies LLC | 104 |
21 |
| Apple Inc. | 50209 |
18 |
| LG Display Co., Ltd. | 11907 |
18 |
| Other owners | 737 |