- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11568 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with charge-trapping gate insulators, e.g. MNOS or NROM characterised by the memory core region
Patent holdings for IPC class H01L 27/11568
Total number of patents in this class: 786
10-year publication summary
|
152
|
146
|
160
|
132
|
101
|
72
|
18
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10879 |
95 |
| Samsung Electronics Co., Ltd. | 158605 |
88 |
| Micron Technology, Inc. | 27666 |
83 |
| Renesas Electronics Corporation | 5863 |
79 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48629 |
68 |
| SK Hynix Inc. | 12611 |
45 |
| Yangtze Memory Technologies Co., Ltd. | 3375 |
32 |
| Longitude Flash Memory Solutions Ltd. | 258 |
30 |
| Sandisk Technologies Inc. | 5474 |
26 |
| Infineon Technologies LLC | 509 |
26 |
| United Microelectronics Corp. | 4504 |
24 |
| Sandisk Technologies LLC | 1423 |
22 |
| Macronix International Co., Ltd. | 2489 |
21 |
| Sunrise Memory Corporation | 218 |
10 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1681 |
9 |
| GLOBALFOUNDRIES Singapore Pte. Ltd. | 878 |
8 |
| Changxin Memory Technologies, Inc. | 4932 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11873 |
5 |
| Applied Materials, Inc. | 20514 |
5 |
| Institute of Microelectronics, Chinese Academy of Sciences | 1467 |
5 |
| Other owners | 99 |