- 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: 361
10-year publication summary
38
|
34
|
9
|
7
|
6
|
11
|
6
|
6
|
9
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tokyo Electron Limited | 11599 |
44 |
Kokusai Electric Corporation | 1791 |
32 |
Micron Technology, Inc. | 24960 |
26 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
18 |
Applied Materials, Inc. | 16587 |
14 |
Lam Research Corporation | 4775 |
8 |
ASM International N.V. | 150 |
8 |
ASM IP Holding B.V. | 1715 |
7 |
Tokyo Electron America, Inc. | 97 |
6 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
5 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
National University Corporation Tohoku University | 194 |
5 |
Panasonic Corporation | 20786 |
4 |
Eastman Kodak Company | 3444 |
4 |
Cree, Inc. | 1157 |
4 |
Beneq Oy | 205 |
4 |
National Institute for Materials Science | 1108 |
4 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
Longitude Flash Memory Solutions Ltd. | 297 |
4 |
NEC Corporation | 32703 |
3 |
Other owners | 152 |