- 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: 3772
10-year publication summary
|
428
|
546
|
465
|
421
|
403
|
390
|
344
|
327
|
271
|
97
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
566 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
217 |
| Samsung Electronics Co., Ltd. | 131630 |
161 |
| International Business Machines Corporation | 60644 |
153 |
| Boe Technology Group Co., Ltd. | 35384 |
126 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
125 |
| Intel Corporation | 45621 |
111 |
| Fuji Electric Co., Ltd. | 4750 |
73 |
| Samsung Display Co., Ltd. | 30585 |
69 |
| Rohm Co., Ltd. | 5843 |
69 |
| Infineon Technologies AG | 8189 |
67 |
| Toshiba Corporation | 12017 |
61 |
| Renesas Electronics Corporation | 6305 |
61 |
| United Microelectronics Corp. | 3921 |
59 |
| Texas Instruments Incorporated | 19376 |
58 |
| Mitsubishi Electric Corporation | 43934 |
51 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
37 |
| Alpha and Omega Semiconductor Incorporated | 474 |
36 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1764 |
36 |
| SK Hynix Inc. | 11030 |
35 |
| Other owners | 1601 |