- All sections
- H - Electricity
- H10D - Inorganic electric semiconductor devices
- H10D 12/00 - Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
Patent holdings for IPC class H10D 12/00
Total number of patents in this class: 814
10-year publication summary
|
0
|
1
|
1
|
2
|
6
|
49
|
113
|
87
|
229
|
237
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Electric Co., Ltd. | 5498 |
179 |
| Rohm Co., Ltd. | 6843 |
92 |
| Toshiba Corporation | 12577 |
79 |
| Mitsubishi Electric Corporation | 48097 |
74 |
| Toshiba Electronic Devices & Storage Corporation | 2334 |
74 |
| Denso Corporation | 25607 |
44 |
| Infineon Technologies AG | 8405 |
29 |
| Minebea Power Semiconductor Device Inc. | 224 |
28 |
| Renesas Electronics Corporation | 5866 |
27 |
| Infineon Technologies Austria AG | 2340 |
13 |
| Hitachi Energy Ltd. | 2593 |
11 |
| Wolfspeed, Inc. | 902 |
8 |
| Patentix Inc. | 15 |
8 |
| Semiconductor Components Industries, L.L.C. | 5261 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48490 |
5 |
| Huawei Technologies Co., Ltd. | 123677 |
5 |
| Flosfia Inc. | 241 |
5 |
| Texas Instruments Incorporated | 19647 |
4 |
| Csmc Technologies Fab2 Co., Ltd. | 747 |
4 |
| The Ritsumeikan Trust | 179 |
4 |
| Other owners | 115 |