- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/11573 - Electrically programmable read-only memories; Multistep manufacturing processes therefor with charge-trapping gate insulators, e.g. MNOS or NROM characterised by the peripheral circuit region
Patent holdings for IPC class H01L 27/11573
Total number of patents in this class: 1720
10-year publication summary
|
209
|
211
|
320
|
395
|
338
|
150
|
79
|
8
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 155224 |
381 |
| Kioxia Corporation | 10727 |
211 |
| Sandisk Technologies Inc. | 5400 |
183 |
| Micron Technology, Inc. | 27384 |
158 |
| Yangtze Memory Technologies Co., Ltd. | 3225 |
147 |
| SK Hynix Inc. | 12267 |
126 |
| Renesas Electronics Corporation | 5862 |
74 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47734 |
61 |
| Sandisk Technologies LLC | 1426 |
60 |
| Monolithic 3D Inc. | 331 |
50 |
| Longitude Flash Memory Solutions Ltd. | 260 |
27 |
| Macronix International Co., Ltd. | 2511 |
24 |
| United Microelectronics Corp. | 4463 |
20 |
| Sunrise Memory Corporation | 215 |
19 |
| Infineon Technologies LLC | 517 |
17 |
| Intel NDTM US LLC | 455 |
11 |
| Mimirip LLC | 1382 |
11 |
| Lodestar Licensing Group LLC | 1193 |
9 |
| Semiconductor Energy Laboratory Co., Ltd. | 11705 |
8 |
| International Business Machines Corporation | 62325 |
6 |
| Other owners | 117 |