- 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: 1683
10-year publication summary
|
161
|
170
|
179
|
144
|
129
|
128
|
87
|
107
|
43
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Viosys Co., Ltd. | 1516 |
120 |
| Epistar Corporation | 1480 |
119 |
| Samsung Electronics Co., Ltd. | 153573 |
101 |
| Samsung Display Co., Ltd. | 37753 |
68 |
| Nichia Corporation | 3827 |
56 |
| OSRAM Opto Semiconductors GmbH | 3268 |
55 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1290 |
55 |
| OSRAM OLED GmbH | 1755 |
53 |
| Toyoda Gosei Co., Ltd. | 1829 |
37 |
| Seoul Semiconductor Co., Ltd. | 1070 |
30 |
| Micron Technology, Inc. | 27266 |
26 |
| LG Electronics Inc. | 74953 |
25 |
| Aledia | 360 |
24 |
| LG Display Co., Ltd. | 14241 |
22 |
| Rohm Co., Ltd. | 6740 |
20 |
| Showa Denko K.K. | 2103 |
20 |
| Boe Technology Group Co., Ltd. | 42901 |
19 |
| Lumileds LLC | 757 |
19 |
| Apple Inc. | 58049 |
18 |
| Korea University Research and Business Foundation | 3159 |
18 |
| Other owners | 778 |