- 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: 125
10-year publication summary
|
0
|
0
|
1
|
0
|
0
|
4
|
16
|
28
|
57
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kioxia Corporation | 9847 |
23 |
| Monolithic 3D Inc. | 270 |
20 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
17 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Yangtze Memory Technologies Co., Ltd. | 1940 |
10 |
| Applied Materials, Inc. | 16587 |
7 |
| SK Hynix Inc. | 11030 |
7 |
| Micron Technology, Inc. | 24960 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
| United Microelectronics Corp. | 3921 |
2 |
| Changxin Memory Technologies, Inc. | 4732 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Canon Inc. | 36841 |
1 |
| Western Digital Technologies, Inc. | 1043 |
1 |
| Besang, Inc. | 17 |
1 |
| NEO Semiconductor, Inc. | 51 |
1 |
| Wuhan Xinxin Semiconductor Manufacturing Co., Ltd. | 155 |
1 |
| Fujian Jinhua Integrated Circuit Co., Ltd. | 355 |
1 |
| Sunrise Memory Corporation | 192 |
1 |
| Resonac Corporation | 2233 |
1 |
| Other owners | 4 |