- 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: 580
10-year publication summary
|
13
|
34
|
59
|
73
|
93
|
102
|
108
|
90
|
57
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yangtze Memory Technologies Co., Ltd. | 1940 |
86 |
| Kioxia Corporation | 9847 |
81 |
| Micron Technology, Inc. | 24960 |
73 |
| Monolithic 3D Inc. | 270 |
57 |
| Sandisk Technologies LLC | 5684 |
49 |
| Samsung Electronics Co., Ltd. | 131630 |
45 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
29 |
| SK Hynix Inc. | 11030 |
27 |
| Applied Materials, Inc. | 16587 |
17 |
| Macronix International Co., Ltd. | 2562 |
17 |
| Lam Research Corporation | 4775 |
17 |
| International Business Machines Corporation | 60644 |
11 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
9 |
| Intel Corporation | 45621 |
8 |
| Tokyo Electron Limited | 11599 |
5 |
| Industry-University Cooperation Foundation Hanyang University | 1001 |
4 |
| Silicon Storage Technology, Inc. | 678 |
3 |
| Sony Semiconductor Solutions Corporation | 8770 |
3 |
| Intel NDTM US LLC | 373 |
3 |
| Phison Electronics Corp. | 649 |
2 |
| Other owners | 34 |