- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/335 - Field-effect transistors
Patent holdings for IPC class H01L 21/335
Total number of patents in this class: 671
10-year publication summary
|
34
|
23
|
17
|
20
|
24
|
31
|
48
|
53
|
40
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 111449 |
37 |
| International Business Machines Corporation | 61144 |
28 |
| Innoscience (Suzhou) Technology Co., ltd. | 170 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
23 |
| Intel Corporation | 46833 |
22 |
| Innoscience (Suzhou) Semiconductor Co., Ltd. | 146 |
21 |
| Texas Instruments Incorporated | 19481 |
20 |
| Enkris Semiconductor, Inc. | 379 |
19 |
| Innoscience (Zhuhai) Technology Co., Ltd. | 155 |
16 |
| Samsung Electronics Co., Ltd. | 144675 |
14 |
| HRL Laboratories, LLC | 1601 |
13 |
| Texas Instruments Japan, Ltd. | 1656 |
12 |
| GLOBALFOUNDRIES U.S. Inc. | 6427 |
12 |
| Cree, Inc. | 1010 |
11 |
| DYNAX Semiconductor, Inc. | 66 |
11 |
| Institute of Microelectronics, Chinese Academy of Sciences | 1378 |
10 |
| Xiamen Sanan Integrated Circuit Co., Ltd. | 70 |
9 |
| South China University of Technology | 1772 |
8 |
| Hunan San'an Semiconductor Co., Ltd. | 14 |
8 |
| Raytheon Company | 8389 |
7 |
| Other owners | 346 |