- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/337 - Field-effect transistors with a PN junction gate
Patent holdings for IPC class H01L 21/337
Total number of patents in this class: 526
10-year publication summary
|
34
|
31
|
36
|
20
|
17
|
15
|
37
|
15
|
33
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
37 |
| Rohm Co., Ltd. | 5843 |
34 |
| Sumitomo Electric Industries, Ltd. | 14131 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
32 |
| DSM Solutions, Inc. | 59 |
20 |
| Texas Instruments Incorporated | 19376 |
19 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
19 |
| Denso Corporation | 23338 |
17 |
| Flosfia Inc. | 210 |
17 |
| International Business Machines Corporation | 60644 |
12 |
| Sony Semiconductor Solutions Corporation | 8770 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
9 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
9 |
| Powdec K.K. | 23 |
9 |
| Micron Technology, Inc. | 24960 |
6 |
| Kyoto University | 2732 |
6 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2467 |
6 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
5 |
| Other owners | 212 |