- 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: 3964
10-year publication summary
|
210
|
195
|
170
|
141
|
155
|
111
|
108
|
130
|
111
|
71
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18892 |
552 |
| Tokyo Electron Limited | 12899 |
352 |
| Sumitomo Electric Industries, Ltd. | 15609 |
189 |
| Shin-Etsu Handotai Co., Ltd. | 1283 |
140 |
| Sharp Kabushiki Kaisha | 18716 |
101 |
| Sumitomo Chemical Company, Limited | 9047 |
78 |
| Sumco Corporation | 1115 |
76 |
| NGK Insulators, Ltd. | 5046 |
59 |
| Kokusai Electric Corporation | 2050 |
59 |
| Showa Denko K.K. | 2200 |
57 |
| Lam Research Corporation | 5310 |
55 |
| Kyocera Corporation | 13930 |
48 |
| Panasonic Corporation | 20042 |
45 |
| Mitsubishi Electric Corporation | 46449 |
44 |
| Eugene Technology Co., Ltd. | 172 |
44 |
| ULVAC, Inc. | 1378 |
43 |
| Hitachi Kokusai Electric Inc. | 874 |
41 |
| Mitsubishi Chemical Corporation | 4545 |
35 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
30 |
| Dowa Electronics Materials Co., Ltd. | 635 |
30 |
| Other owners | 1886 |