- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/20 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth
Patent holdings for IPC class H01L 21/20
Total number of patents in this class: 4952
10-year publication summary
|
309
|
256
|
226
|
214
|
172
|
119
|
121
|
119
|
114
|
105
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 45023 |
171 |
| Samsung Electronics Co., Ltd. | 148649 |
143 |
| Micron Technology, Inc. | 26395 |
140 |
| Applied Materials, Inc. | 19119 |
140 |
| Sumitomo Electric Industries, Ltd. | 15705 |
133 |
| GLOBALFOUNDRIES U.S. Inc. | 6415 |
111 |
| Shin-Etsu Handotai Co., Ltd. | 1296 |
98 |
| International Business Machines Corporation | 61694 |
79 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10955 |
78 |
| Soitec | 1038 |
71 |
| Sumitomo Chemical Company, Limited | 9095 |
63 |
| Intel Corporation | 46703 |
62 |
| Semiconductor Energy Laboratory Co., Ltd. | 11527 |
59 |
| V Technology Co., Ltd. | 379 |
58 |
| The Japan Steel Works, Ltd. | 754 |
55 |
| Sumco Corporation | 1115 |
55 |
| Tokyo Electron Limited | 13063 |
48 |
| NGK Insulators, Ltd. | 5129 |
47 |
| EV Group E. Thallner GmbH | 409 |
47 |
| Sharp Kabushiki Kaisha | 18649 |
42 |
| Other owners | 3252 |