- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11551 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with floating gate characterised by three-dimensional arrangements, e.g. with cells on different height levels
Patent holdings for IPC class H01L 27/11551
Total number of patents in this class: 530
10-year publication summary
|
34
|
59
|
73
|
92
|
102
|
101
|
75
|
33
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yangtze Memory Technologies Co., Ltd. | 2913 |
78 |
| Kioxia Corporation | 10452 |
72 |
| Micron Technology, Inc. | 26461 |
66 |
| Monolithic 3D Inc. | 316 |
55 |
| Samsung Electronics Co., Ltd. | 148765 |
42 |
| Sandisk Technologies LLC | 1452 |
30 |
| Semiconductor Energy Laboratory Co., Ltd. | 11534 |
28 |
| SK Hynix Inc. | 11629 |
23 |
| Sandisk Technologies Inc. | 4918 |
18 |
| Applied Materials, Inc. | 19173 |
15 |
| Macronix International Co., Ltd. | 2544 |
15 |
| Lam Research Corporation | 5354 |
15 |
| International Business Machines Corporation | 61738 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 45590 |
7 |
| Intel Corporation | 46455 |
5 |
| Tokyo Electron Limited | 13083 |
5 |
| Industry-University Cooperation Foundation Hanyang University | 1013 |
4 |
| Intel NDTM US LLC | 449 |
4 |
| Silicon Storage Technology, Inc. | 705 |
3 |
| Mimirip LLC | 1419 |
3 |
| Other owners | 34 |