- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11558 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with floating gate the control gate being a doped region, e.g. single-poly memory cells
Patent holdings for IPC class H01L 27/11558
Total number of patents in this class: 124
10-year publication summary
|
14
|
17
|
21
|
22
|
29
|
6
|
10
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| eMemory Technology Inc. | 387 |
22 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42222 |
14 |
| Sandisk Technologies Inc. | 4804 |
10 |
| GLOBALFOUNDRIES Singapore Pte. Ltd. | 797 |
8 |
| Micron Technology, Inc. | 26214 |
7 |
| SK Hynix Inc. | 11253 |
5 |
| United Microelectronics Corp. | 4232 |
5 |
| SK Keyfoundry Inc. | 244 |
5 |
| STMicroelectronics S.r.l. | 3620 |
3 |
| Synopsys, Inc. | 2780 |
3 |
| Floadia Corporation | 79 |
3 |
| Silicon Storage Technology, Inc. | 690 |
3 |
| Powerchip Semiconductor Manufacturing Corporation | 381 |
3 |
| Samsung Electronics Co., Ltd. | 144426 |
2 |
| The Regents of the University of California | 19839 |
2 |
| Lapis Semiconductor Co., Ltd. | 896 |
2 |
| Allegro Microsystems, LLC | 1321 |
2 |
| FlashSilicon Incorporation | 26 |
2 |
| Lodestar Licensing Group LLC | 993 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11371 |
1 |
| Other owners | 20 |