- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/314 - Inorganic layers
Patent holdings for IPC class H01L 21/314
Total number of patents in this class: 329
10-year publication summary
|
34
|
9
|
7
|
6
|
11
|
6
|
6
|
10
|
4
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12877 |
48 |
| Kokusai Electric Corporation | 2038 |
32 |
| Micron Technology, Inc. | 26183 |
20 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
18 |
| Lam Research Corporation | 5309 |
8 |
| ASM International N.V. | 132 |
8 |
| Applied Materials, Inc. | 18861 |
7 |
| ASM IP Holding B.V. | 2106 |
7 |
| Tokyo Electron America, Inc. | 60 |
6 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3994 |
5 |
| National University Corporation Tohoku University | 172 |
5 |
| Longitude Flash Memory Solutions Ltd. | 270 |
5 |
| Panasonic Corporation | 20050 |
4 |
| GLOBALFOUNDRIES U.S. Inc. | 6420 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6266 |
4 |
| NEC Corporation | 35935 |
3 |
| Hitachi Kokusai Electric Inc. | 875 |
3 |
| Renesas Electronics Corporation | 5987 |
3 |
| Eastman Kodak Company | 2846 |
3 |
| Showa Denko K.K. | 2204 |
3 |
| Other owners | 133 |