- 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: 548
10-year publication summary
|
0
|
1
|
0
|
2
|
6
|
35
|
84
|
47
|
228
|
84
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Electric Co., Ltd. | 5359 |
127 |
| Rohm Co., Ltd. | 6711 |
64 |
| Toshiba Corporation | 12684 |
50 |
| Toshiba Electronic Devices & Storage Corporation | 2237 |
47 |
| Mitsubishi Electric Corporation | 47461 |
45 |
| Denso Corporation | 25074 |
25 |
| Minebea Power Semiconductor Device Inc. | 216 |
21 |
| Infineon Technologies AG | 8343 |
20 |
| Renesas Electronics Corporation | 5881 |
16 |
| Hitachi Energy Ltd. | 2426 |
10 |
| Infineon Technologies Austria AG | 2276 |
8 |
| Flosfia Inc. | 239 |
5 |
| Wolfspeed, Inc. | 842 |
5 |
| Patentix Inc. | 9 |
5 |
| Huawei Technologies Co., Ltd. | 119081 |
4 |
| Semiconductor Components Industries, L.L.C. | 5274 |
4 |
| The Ritsumeikan Trust | 170 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46877 |
3 |
| Sanken Electric Co., Ltd. | 459 |
3 |
| Suzhou Oriental Semiconductor Co., Ltd. | 104 |
3 |
| Other owners | 79 |