- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/778 - Field-effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT
Patent holdings for IPC class H01L 29/778
Total number of patents in this class: 5955
10-year publication summary
|
540
|
547
|
545
|
627
|
519
|
588
|
586
|
515
|
620
|
238
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 46078 |
309 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 33184 |
300 |
| Fujitsu Limited | 19922 |
201 |
| Toshiba Corporation | 11964 |
192 |
| Samsung Electronics Co., Ltd. | 123340 |
134 |
| Infineon Technologies Austria AG | 1852 |
128 |
| Cree, Inc. | 1294 |
116 |
| Rohm Co., Ltd. | 5191 |
114 |
| United Microelectronics Corp. | 3677 |
108 |
| Panasonic Intellectual Property Management Co., Ltd. | 26851 |
104 |
| Mitsubishi Electric Corporation | 41690 |
100 |
| Panasonic Corporation | 21749 |
93 |
| Semiconductor Components Industries, L.L.C. | 5336 |
86 |
| Infineon Technologies Americas Corp. | 873 |
83 |
| Innoscience (Suzhou) Technology Co., ltd. | 125 |
81 |
| Texas Instruments Incorporated | 19204 |
80 |
| Sumitomo Electric Industries, Ltd. | 13513 |
79 |
| Enkris Semiconductor, Inc. | 243 |
79 |
| Vanguard International Semiconductor Corporation | 394 |
74 |
| Sumitomo Chemical Company, Limited | 8623 |
69 |
| Other owners | 3425 |