- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11578 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with charge-trapping gate insulators, e.g. MNOS or NROM characterised by three-dimensional arrangements, e.g. with cells on different height levels
Patent holdings for IPC class H01L 27/11578
Total number of patents in this class: 784
10-year publication summary
|
45
|
85
|
85
|
116
|
178
|
160
|
109
|
49
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10456 |
140 |
| Yangtze Memory Technologies Co., Ltd. | 2933 |
137 |
| Samsung Electronics Co., Ltd. | 148924 |
105 |
| Micron Technology, Inc. | 26502 |
84 |
| Monolithic 3D Inc. | 316 |
59 |
| Sandisk Technologies Inc. | 4924 |
43 |
| Sandisk Technologies LLC | 1451 |
43 |
| SK Hynix Inc. | 11652 |
32 |
| Macronix International Co., Ltd. | 2542 |
23 |
| Sunrise Memory Corporation | 213 |
13 |
| Applied Materials, Inc. | 19204 |
12 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46069 |
11 |
| Lam Research Corporation | 5362 |
8 |
| Tokyo Electron Limited | 13108 |
6 |
| International Business Machines Corporation | 61734 |
5 |
| Intel NDTM US LLC | 450 |
5 |
| United Microelectronics Corp. | 4295 |
4 |
| Toshiba Memory Corporation | 236 |
4 |
| Lodestar Licensing Group LLC | 1096 |
4 |
| Mimirip LLC | 1419 |
4 |
| Other owners | 42 |