- 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: 309
10-year publication summary
|
9
|
7
|
6
|
11
|
6
|
6
|
10
|
4
|
17
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13577 |
44 |
| Kokusai Electric Corporation | 2195 |
32 |
| Micron Technology, Inc. | 27348 |
14 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47602 |
14 |
| Lam Research Corporation | 5551 |
8 |
| Applied Materials, Inc. | 20112 |
7 |
| ASM International N.V. | 119 |
7 |
| ASM IP Holding B.V. | 2301 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4066 |
5 |
| National University Corporation Tohoku University | 165 |
5 |
| Longitude Flash Memory Solutions Ltd. | 261 |
5 |
| Panasonic Corporation | 19485 |
4 |
| GLOBALFOUNDRIES U.S. Inc. | 6397 |
4 |
| NEC Corporation | 36733 |
3 |
| Hitachi Kokusai Electric Inc. | 839 |
3 |
| Renesas Electronics Corporation | 5859 |
3 |
| Eastman Kodak Company | 2668 |
3 |
| Showa Denko K.K. | 2092 |
3 |
| Beneq Oy | 244 |
3 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2426 |
3 |
| Other owners | 132 |