- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 27/115 - Electrically programmable read-only memories; Multistep manufacturing processes therefor
Patent holdings for IPC class H01L 27/115
Total number of patents in this class: 4766
10-year publication summary
1056
|
1019
|
501
|
220
|
154
|
160
|
110
|
53
|
25
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
506 |
Kioxia Corporation | 9847 |
424 |
Sandisk Technologies LLC | 5684 |
416 |
Micron Technology, Inc. | 24960 |
413 |
SK Hynix Inc. | 11030 |
324 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
237 |
Macronix International Co., Ltd. | 2562 |
211 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
102 |
Renesas Electronics Corporation | 6305 |
90 |
Spansion LLC | 437 |
79 |
Intel Corporation | 45621 |
76 |
Silicon Storage Technology, Inc. | 678 |
69 |
Sandisk Technologies Inc. | 470 |
62 |
Yangtze Memory Technologies Co., Ltd. | 1940 |
59 |
Hewlett-Packard Development Company, L.P. | 28538 |
57 |
Applied Materials, Inc. | 16587 |
44 |
Tokyo Electron Limited | 11599 |
44 |
United Microelectronics Corp. | 3921 |
39 |
Infineon Technologies LLC | 597 |
38 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
36 |
Other owners | 1440 |