- 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: 6952
10-year publication summary
|
627
|
513
|
586
|
587
|
526
|
590
|
519
|
633
|
349
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47071 |
356 |
| Intel Corporation | 46673 |
355 |
| Toshiba Corporation | 12698 |
213 |
| Rohm Co., Ltd. | 6727 |
175 |
| United Microelectronics Corp. | 4425 |
171 |
| Samsung Electronics Co., Ltd. | 153093 |
166 |
| Fujitsu Limited | 17129 |
151 |
| Infineon Technologies Austria AG | 2289 |
142 |
| Texas Instruments Incorporated | 19614 |
122 |
| Mitsubishi Electric Corporation | 47522 |
113 |
| Enkris Semiconductor, Inc. | 402 |
102 |
| Innoscience (Suzhou) Technology Co., ltd. | 171 |
96 |
| MACOM Technology Solutions Holdings, Inc. | 845 |
95 |
| Sumitomo Electric Industries, Ltd. | 16061 |
90 |
| Huawei Technologies Co., Ltd. | 119637 |
89 |
| Semiconductor Components Industries, L.L.C. | 5265 |
88 |
| Innoscience (Zhuhai) Technology Co., Ltd. | 158 |
88 |
| Vanguard International Semiconductor Corporation | 496 |
85 |
| Panasonic Corporation | 19786 |
84 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
81 |
| Other owners | 4090 |