- 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: 407
10-year publication summary
|
1
|
0
|
1
|
5
|
23
|
55
|
96
|
93
|
81
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 10815 |
71 |
| Monolithic 3D Inc. | 335 |
49 |
| Micron Technology, Inc. | 27657 |
48 |
| Yangtze Memory Technologies Co., Ltd. | 3306 |
35 |
| Samsung Electronics Co., Ltd. | 157719 |
32 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
28 |
| SK Hynix Inc. | 12486 |
23 |
| Applied Materials, Inc. | 20375 |
15 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
15 |
| Sandisk Technologies Inc. | 5438 |
8 |
| Lam Research Corporation | 5635 |
7 |
| NEO Semiconductor, Inc. | 71 |
6 |
| Macronix International Co., Ltd. | 2494 |
5 |
| Intel NDTM US LLC | 458 |
5 |
| Lodestar Licensing Group LLC | 1205 |
5 |
| Winbond Electronics Corp. | 1433 |
4 |
| Chengdu PBM Technology Ltd. | 35 |
4 |
| International Business Machines Corporation | 62634 |
3 |
| Tokyo Electron Limited | 13807 |
3 |
| United Microelectronics Corp. | 4492 |
3 |
| Other owners | 38 |