- 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: 1653
10-year publication summary
|
161
|
170
|
179
|
144
|
129
|
126
|
82
|
97
|
42
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ennostar Corporation | 1592 |
132 |
| Seoul Viosys Co., Ltd. | 1572 |
117 |
| Samsung Electronics Co., Ltd. | 159473 |
101 |
| Samsung Display Co., Ltd. | 39229 |
65 |
| Nichia Corporation | 3911 |
58 |
| OSRAM Opto Semiconductors GmbH | 3215 |
55 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1232 |
52 |
| OSRAM OLED GmbH | 1383 |
39 |
| Toyoda Gosei Co., Ltd. | 1871 |
37 |
| Ams-osram International GmbH | 1709 |
31 |
| Seoul Semiconductor Co., Ltd. | 1053 |
30 |
| Micron Technology, Inc. | 27901 |
26 |
| LG Electronics Inc. | 76299 |
25 |
| Aledia | 369 |
24 |
| LG Display Co., Ltd. | 15106 |
20 |
| Rohm Co., Ltd. | 6919 |
19 |
| Boe Technology Group Co., Ltd. | 44746 |
19 |
| Lumileds LLC | 789 |
19 |
| Apple Inc. | 59414 |
18 |
| Showa Denko K.K. | 2050 |
18 |
| Other owners | 748 |