- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/87 - Thyristor diodes, e.g. Shockley diodes, break-over diodes
Patent holdings for IPC class H01L 29/87
Total number of patents in this class: 199
10-year publication summary
|
16
|
21
|
27
|
15
|
16
|
15
|
11
|
9
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43854 |
16 |
| STMicroelectronics (Tours) SAS | 208 |
10 |
| STMicroelectronics International N.V. | 3286 |
8 |
| GLOBALFOUNDRIES U.S. Inc. | 6409 |
7 |
| Nexperia B.V. | 441 |
7 |
| Littelfuse, Inc. | 792 |
6 |
| Toshiba Corporation | 12516 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4031 |
5 |
| Tsinghua University | 5969 |
5 |
| Alpha and Omega Semiconductor (Cayman) Ltd. | 99 |
5 |
| Csmc Technologies Fab2 Co., Ltd. | 716 |
5 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1808 |
5 |
| Texas Instruments Incorporated | 19456 |
4 |
| United Microelectronics Corp. | 4256 |
4 |
| Rohm Co., Ltd. | 6511 |
4 |
| Socionext Inc. | 1567 |
4 |
| Allegro Microsystems, LLC | 1358 |
4 |
| Sofics BVBA | 40 |
4 |
| NXP USA, Inc. | 4318 |
4 |
| Mitsubishi Electric Corporation | 46590 |
3 |
| Other owners | 84 |