- 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: 3826
10-year publication summary
|
465
|
418
|
403
|
391
|
344
|
311
|
191
|
215
|
120
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48438 |
617 |
| Semiconductor Energy Laboratory Co., Ltd. | 11834 |
211 |
| Samsung Electronics Co., Ltd. | 157946 |
170 |
| International Business Machines Corporation | 62671 |
145 |
| Boe Technology Group Co., Ltd. | 44074 |
123 |
| GLOBALFOUNDRIES U.S. Inc. | 6385 |
122 |
| Intel Corporation | 47122 |
107 |
| Fuji Electric Co., Ltd. | 5488 |
77 |
| Rohm Co., Ltd. | 6837 |
72 |
| Samsung Display Co., Ltd. | 38676 |
70 |
| Toshiba Corporation | 12569 |
65 |
| Infineon Technologies AG | 8402 |
60 |
| Texas Instruments Incorporated | 19653 |
59 |
| United Microelectronics Corp. | 4496 |
57 |
| Renesas Electronics Corporation | 5864 |
53 |
| Mitsubishi Electric Corporation | 48048 |
51 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1733 |
38 |
| Alpha and Omega Semiconductor Incorporated | 444 |
35 |
| Sumitomo Electric Industries, Ltd. | 16355 |
34 |
| Applied Materials, Inc. | 20406 |
34 |
| Other owners | 1626 |