- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/861 - Diodes
Patent holdings for IPC class H01L 29/861
Total number of patents in this class: 3276
10-year publication summary
|
330
|
293
|
322
|
317
|
207
|
203
|
205
|
205
|
212
|
71
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Electric Co., Ltd. | 5122 |
461 |
| Mitsubishi Electric Corporation | 45899 |
201 |
| Infineon Technologies AG | 8210 |
179 |
| Rohm Co., Ltd. | 6414 |
165 |
| Denso Corporation | 24190 |
131 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
92 |
| Toshiba Corporation | 12317 |
89 |
| Infineon Technologies Austria AG | 2137 |
77 |
| Toshiba Electronic Devices & Storage Corporation | 1946 |
44 |
| Semiconductor Components Industries, L.L.C. | 5252 |
43 |
| Shindengen Electric Manufacturing Co., Ltd. | 805 |
40 |
| Renesas Electronics Corporation | 6050 |
39 |
| International Business Machines Corporation | 61144 |
35 |
| Texas Instruments Incorporated | 19481 |
35 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12847 |
35 |
| Sumitomo Electric Industries, Ltd. | 15391 |
34 |
| Alpha and Omega Semiconductor Incorporated | 456 |
31 |
| Samsung Electronics Co., Ltd. | 144675 |
27 |
| Intel Corporation | 46833 |
27 |
| Hitachi, Ltd. | 15462 |
27 |
| Other owners | 1464 |