- 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: 3956
10-year publication summary
|
195
|
170
|
141
|
155
|
111
|
108
|
130
|
111
|
100
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19391 |
552 |
| Tokyo Electron Limited | 13207 |
347 |
| Sumitomo Electric Industries, Ltd. | 15848 |
189 |
| Shin-Etsu Handotai Co., Ltd. | 1295 |
147 |
| Sharp Kabushiki Kaisha | 18590 |
99 |
| Sumitomo Chemical Company, Limited | 9106 |
77 |
| Sumco Corporation | 1119 |
76 |
| NGK Insulators, Ltd. | 5161 |
60 |
| Kokusai Electric Corporation | 2113 |
59 |
| Showa Denko K.K. | 2149 |
56 |
| Lam Research Corporation | 5394 |
55 |
| Kyocera Corporation | 14108 |
49 |
| Mitsubishi Electric Corporation | 47131 |
46 |
| Panasonic Corporation | 19924 |
45 |
| Eugene Technology Co., Ltd. | 171 |
43 |
| ULVAC, Inc. | 1371 |
42 |
| Hitachi Kokusai Electric Inc. | 860 |
37 |
| Mitsubishi Chemical Corporation | 4625 |
35 |
| Shin-Etsu Chemical Co., Ltd. | 5823 |
31 |
| National Institute of Advanced Industrial Science and Technology | 3801 |
30 |
| Other owners | 1881 |