- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/28 - Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups
Patent holdings for IPC class H01L 21/28
Total number of patents in this class: 11319
10-year publication summary
|
1241
|
1214
|
1025
|
1044
|
1131
|
1084
|
850
|
647
|
546
|
148
|
| 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 |
1756 |
| Samsung Electronics Co., Ltd. | 131630 |
513 |
| International Business Machines Corporation | 60644 |
417 |
| Micron Technology, Inc. | 24960 |
416 |
| Intel Corporation | 45621 |
310 |
| United Microelectronics Corp. | 3921 |
301 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
266 |
| Kioxia Corporation | 9847 |
265 |
| SK Hynix Inc. | 11030 |
253 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
253 |
| Sandisk Technologies LLC | 5684 |
236 |
| Applied Materials, Inc. | 16587 |
222 |
| Renesas Electronics Corporation | 6305 |
203 |
| Tokyo Electron Limited | 11599 |
191 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1764 |
146 |
| Sharp Kabushiki Kaisha | 18957 |
127 |
| Institute of Microelectronics, Chinese Academy of Sciences | 1290 |
126 |
| Macronix International Co., Ltd. | 2562 |
115 |
| Texas Instruments Incorporated | 19376 |
109 |
| Panasonic Corporation | 20786 |
99 |
| Other owners | 4995 |