- 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: 907
10-year publication summary
|
0
|
1
|
1
|
2
|
6
|
52
|
120
|
103
|
231
|
286
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Electric Co., Ltd. | 5548 |
200 |
| Rohm Co., Ltd. | 6919 |
100 |
| Toshiba Corporation | 12727 |
90 |
| Toshiba Electronic Devices & Storage Corporation | 2435 |
85 |
| Mitsubishi Electric Corporation | 48460 |
80 |
| Denso Corporation | 25820 |
49 |
| Infineon Technologies AG | 8427 |
31 |
| Minebea Power Semiconductor Device Inc. | 237 |
30 |
| Renesas Electronics Corporation | 5846 |
29 |
| Infineon Technologies Austria AG | 2361 |
15 |
| Hitachi Energy Ltd. | 2669 |
13 |
| Wolfspeed, Inc. | 923 |
8 |
| Patentix Inc. | 15 |
8 |
| Huawei Technologies Co., Ltd. | 125335 |
7 |
| Semiconductor Components Industries, L.L.C. | 5259 |
6 |
| Texas Instruments Incorporated | 19638 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49324 |
5 |
| Flosfia Inc. | 240 |
5 |
| Csmc Technologies Fab2 Co., Ltd. | 747 |
4 |
| The Ritsumeikan Trust | 180 |
4 |
| Other owners | 133 |