- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/45 - Ohmic electrodes
Patent holdings for IPC class H01L 29/45
Total number of patents in this class: 3958
10-year publication summary
|
545
|
465
|
418
|
403
|
390
|
345
|
332
|
263
|
275
|
100
|
| 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. | 42704 |
652 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
222 |
| Samsung Electronics Co., Ltd. | 146092 |
180 |
| International Business Machines Corporation | 61228 |
144 |
| Boe Technology Group Co., Ltd. | 41139 |
124 |
| GLOBALFOUNDRIES U.S. Inc. | 6434 |
123 |
| Intel Corporation | 46962 |
119 |
| Fuji Electric Co., Ltd. | 5140 |
79 |
| Rohm Co., Ltd. | 6450 |
72 |
| Samsung Display Co., Ltd. | 34696 |
70 |
| United Microelectronics Corp. | 4268 |
66 |
| Toshiba Corporation | 12336 |
65 |
| Infineon Technologies AG | 8221 |
65 |
| Texas Instruments Incorporated | 19470 |
59 |
| Renesas Electronics Corporation | 6016 |
56 |
| Mitsubishi Electric Corporation | 46093 |
54 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1768 |
38 |
| Sumitomo Electric Industries, Ltd. | 15483 |
36 |
| Alpha and Omega Semiconductor Incorporated | 454 |
35 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
34 |
| Other owners | 1665 |