- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11521 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with floating gate characterised by the memory core region
Patent holdings for IPC class H01L 27/11521
Total number of patents in this class: 891
10-year publication summary
|
164
|
147
|
194
|
149
|
96
|
83
|
11
|
4
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48490 |
137 |
| Micron Technology, Inc. | 27709 |
79 |
| Silicon Storage Technology, Inc. | 738 |
74 |
| Kioxia Corporation | 10840 |
46 |
| Samsung Electronics Co., Ltd. | 158156 |
40 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1733 |
29 |
| STMicroelectronics (Rousset) SAS | 961 |
28 |
| United Microelectronics Corp. | 4498 |
26 |
| Winbond Electronics Corp. | 1439 |
26 |
| SK Hynix Inc. | 12534 |
23 |
| GLOBALFOUNDRIES Singapore Pte. Ltd. | 849 |
21 |
| Semiconductor Manufacturing International (Beijing) Corporation | 1031 |
20 |
| International Business Machines Corporation | 62672 |
19 |
| Sandisk Technologies Inc. | 5442 |
18 |
| Renesas Electronics Corporation | 5866 |
17 |
| Semiconductor Energy Laboratory Co., Ltd. | 11842 |
17 |
| Macronix International Co., Ltd. | 2496 |
16 |
| Sandisk Technologies LLC | 1423 |
13 |
| GLOBALFOUNDRIES U.S. Inc. | 6383 |
13 |
| eMemory Technology Inc. | 410 |
10 |
| Other owners | 219 |