- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/205 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth using reduction or decomposition of a gaseous compound yielding a solid condensate, i.e. chemical deposition
Patent holdings for IPC class H01L 21/205
Total number of patents in this class: 3969
10-year publication summary
210
|
195
|
171
|
141
|
155
|
112
|
110
|
130
|
111
|
58
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 18621 |
552 |
Tokyo Electron Limited | 12712 |
353 |
Sumitomo Electric Industries, Ltd. | 15483 |
189 |
Shin-Etsu Handotai Co., Ltd. | 1284 |
141 |
Sharp Kabushiki Kaisha | 18744 |
101 |
Sumitomo Chemical Company, Limited | 9046 |
78 |
Sumco Corporation | 1115 |
76 |
NGK Insulators, Ltd. | 4955 |
59 |
Showa Denko K.K. | 2230 |
58 |
Kokusai Electric Corporation | 2018 |
58 |
Lam Research Corporation | 5239 |
55 |
Kyocera Corporation | 13799 |
48 |
Panasonic Corporation | 20110 |
45 |
Eugene Technology Co., Ltd. | 173 |
45 |
Hitachi Kokusai Electric Inc. | 879 |
44 |
Mitsubishi Electric Corporation | 46093 |
44 |
ULVAC, Inc. | 1380 |
43 |
Mitsubishi Chemical Corporation | 4507 |
35 |
National Institute of Advanced Industrial Science and Technology | 3803 |
30 |
Dowa Electronics Materials Co., Ltd. | 633 |
30 |
Other owners | 1885 |