- 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: 305
10-year publication summary
|
0
|
1
|
0
|
1
|
5
|
22
|
50
|
84
|
89
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10293 |
53 |
| Monolithic 3D Inc. | 308 |
42 |
| Micron Technology, Inc. | 26238 |
30 |
| Yangtze Memory Technologies Co., Ltd. | 2641 |
28 |
| Samsung Electronics Co., Ltd. | 146346 |
25 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
24 |
| SK Hynix Inc. | 11368 |
16 |
| Applied Materials, Inc. | 18658 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
13 |
| Macronix International Co., Ltd. | 2559 |
5 |
| Sandisk Technologies Inc. | 4809 |
5 |
| Lam Research Corporation | 5252 |
5 |
| NEO Semiconductor, Inc. | 60 |
4 |
| Chengdu PBM Technology Ltd. | 29 |
4 |
| International Business Machines Corporation | 61257 |
3 |
| United Microelectronics Corp. | 4229 |
3 |
| Changxin Memory Technologies, Inc. | 4926 |
3 |
| Lodestar Licensing Group LLC | 1018 |
3 |
| Sandisk Technologies LLC | 1433 |
2 |
| Besang, Inc. | 16 |
2 |
| Other owners | 22 |