- 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: 3918
10-year publication summary
|
195
|
170
|
141
|
155
|
111
|
107
|
130
|
111
|
100
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20036 |
551 |
| Tokyo Electron Limited | 13523 |
342 |
| Sumitomo Electric Industries, Ltd. | 16091 |
191 |
| Shin-Etsu Handotai Co., Ltd. | 1298 |
152 |
| Sharp Kabushiki Kaisha | 18605 |
97 |
| Sumitomo Chemical Company, Limited | 9045 |
77 |
| Sumco Corporation | 1114 |
76 |
| NGK Insulators, Ltd. | 5199 |
61 |
| Kokusai Electric Corporation | 2191 |
61 |
| Lam Research Corporation | 5528 |
55 |
| Showa Denko K.K. | 2098 |
55 |
| Kyocera Corporation | 14242 |
50 |
| Mitsubishi Electric Corporation | 47602 |
46 |
| Panasonic Corporation | 19586 |
44 |
| Eugene Technology Co., Ltd. | 181 |
43 |
| ULVAC, Inc. | 1361 |
41 |
| Mitsubishi Chemical Corporation | 4676 |
33 |
| Shin-Etsu Chemical Co., Ltd. | 5948 |
30 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
30 |
| Dowa Electronics Materials Co., Ltd. | 636 |
30 |
| Other owners | 1853 |