- 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: 3080
10-year publication summary
315
|
330
|
293
|
322
|
317
|
206
|
200
|
205
|
205
|
60
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fuji Electric Co., Ltd. | 4750 |
414 |
Mitsubishi Electric Corporation | 43934 |
185 |
Infineon Technologies AG | 8189 |
180 |
Rohm Co., Ltd. | 5843 |
140 |
Denso Corporation | 23338 |
124 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
82 |
Toshiba Corporation | 12017 |
81 |
Infineon Technologies Austria AG | 1954 |
76 |
Semiconductor Components Industries, L.L.C. | 5345 |
55 |
Shindengen Electric Manufacturing Co., Ltd. | 774 |
38 |
Renesas Electronics Corporation | 6305 |
37 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
36 |
Sumitomo Electric Industries, Ltd. | 14131 |
34 |
Texas Instruments Incorporated | 19376 |
34 |
International Business Machines Corporation | 60644 |
32 |
Alpha and Omega Semiconductor Incorporated | 474 |
31 |
Hitachi Power Semiconductor Device, Ltd. | 195 |
30 |
Toshiba Electronic Devices & Storage Corporation | 1602 |
28 |
Intel Corporation | 45621 |
27 |
Hitachi, Ltd. | 16452 |
27 |
Other owners | 1389 |