- 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: 332
10-year publication summary
|
0
|
1
|
0
|
1
|
5
|
22
|
52
|
90
|
91
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10440 |
61 |
| Monolithic 3D Inc. | 312 |
43 |
| Micron Technology, Inc. | 26317 |
33 |
| Yangtze Memory Technologies Co., Ltd. | 2831 |
30 |
| Samsung Electronics Co., Ltd. | 148173 |
27 |
| Semiconductor Energy Laboratory Co., Ltd. | 11485 |
24 |
| SK Hynix Inc. | 11558 |
17 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 44282 |
15 |
| Applied Materials, Inc. | 19031 |
13 |
| Lam Research Corporation | 5332 |
6 |
| Macronix International Co., Ltd. | 2549 |
5 |
| Sandisk Technologies Inc. | 4892 |
5 |
| NEO Semiconductor, Inc. | 68 |
5 |
| Chengdu PBM Technology Ltd. | 29 |
4 |
| International Business Machines Corporation | 61621 |
3 |
| United Microelectronics Corp. | 4267 |
3 |
| Changxin Memory Technologies, Inc. | 4929 |
3 |
| Lodestar Licensing Group LLC | 1072 |
3 |
| Tokyo Electron Limited | 13013 |
2 |
| Sandisk Technologies LLC | 1445 |
2 |
| Other owners | 28 |