- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/808 - Field-effect transistors with field effect produced by a PN or other rectifying junction gate with a PN junction gate
Patent holdings for IPC class H01L 29/808
Total number of patents in this class: 931
10-year publication summary
|
72
|
81
|
82
|
61
|
75
|
55
|
70
|
46
|
26
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6908 |
45 |
| Panasonic Corporation | 18716 |
38 |
| NexGen (assignment for The Benefit of Creditors), LLC | 96 |
38 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
37 |
| Flosfia Inc. | 240 |
31 |
| Sumitomo Electric Industries, Ltd. | 16368 |
29 |
| Infineon Technologies AG | 8419 |
29 |
| Denso Corporation | 25746 |
28 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
23 |
| Semiconductor Components Industries, L.L.C. | 5265 |
23 |
| DSM Solutions, Inc. | 48 |
21 |
| Wolfspeed, Inc. | 911 |
20 |
| Infineon Technologies Austria AG | 2359 |
19 |
| Monolithic 3D Inc. | 342 |
19 |
| United Silicon Carbide, Inc. | 51 |
18 |
| International Business Machines Corporation | 62805 |
17 |
| Panasonic Holdings Corporation | 1784 |
15 |
| Renesas Electronics Corporation | 5855 |
14 |
| Alpha and Omega Semiconductor Incorporated | 442 |
14 |
| Fuji Electric Co., Ltd. | 5533 |
13 |
| Other owners | 440 |