- All sections
- H - Electricity
- H10B - Electronic memory devices
- H10B 41/20 - Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
Patent holdings for IPC class H10B 41/20
Total number of patents in this class: 378
10-year publication summary
|
1
|
0
|
1
|
5
|
23
|
54
|
94
|
92
|
81
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10586 |
68 |
| Monolithic 3D Inc. | 328 |
48 |
| Micron Technology, Inc. | 27221 |
44 |
| Yangtze Memory Technologies Co., Ltd. | 3083 |
33 |
| Samsung Electronics Co., Ltd. | 152304 |
30 |
| Semiconductor Energy Laboratory Co., Ltd. | 11631 |
26 |
| SK Hynix Inc. | 11996 |
18 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46813 |
15 |
| Applied Materials, Inc. | 19849 |
14 |
| Sandisk Technologies Inc. | 5307 |
9 |
| Lam Research Corporation | 5471 |
6 |
| Macronix International Co., Ltd. | 2523 |
5 |
| NEO Semiconductor, Inc. | 69 |
5 |
| Lodestar Licensing Group LLC | 1160 |
5 |
| Chengdu PBM Technology Ltd. | 31 |
4 |
| Intel NDTM US LLC | 451 |
4 |
| International Business Machines Corporation | 62049 |
3 |
| Tokyo Electron Limited | 13452 |
3 |
| United Microelectronics Corp. | 4419 |
3 |
| Winbond Electronics Corp. | 1367 |
3 |
| Other owners | 32 |