- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/40 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
Patent holdings for IPC class H01L 51/40
Total number of patents in this class: 998
10-year publication summary
|
68
|
50
|
45
|
46
|
39
|
18
|
7
|
7
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 28829 |
84 |
| Samsung Display Co., Ltd. | 32868 |
69 |
| Boe Technology Group Co., Ltd. | 38978 |
34 |
| LG Display Co., Ltd. | 12908 |
29 |
| Samsung Electronics Co., Ltd. | 139302 |
26 |
| The University of Tokyo | 4066 |
26 |
| Konica Minolta Holdings, Inc. | 1007 |
25 |
| Sumitomo Chemical Company, Limited | 8987 |
24 |
| Sony Corporation | 31530 |
18 |
| Nippon Kayaku Kabushiki Kaisha | 1428 |
16 |
| Sharp Kabushiki Kaisha | 18855 |
15 |
| Idemitsu Kosan Co., Ltd. | 4109 |
12 |
| Toray Industries, Inc. | 6857 |
12 |
| Daicel Corporation | 2247 |
12 |
| NEC Corporation | 34467 |
10 |
| Pioneer Corporation | 4620 |
9 |
| GLOBALFOUNDRIES U.S. Inc. | 6435 |
9 |
| Osaka University | 3301 |
9 |
| JDI Design and Development G.K. | 1176 |
9 |
| Merck Patent GmbH | 5848 |
8 |
| Other owners | 542 |