- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/33 - Multistep processes for the manufacture of devices of the bipolar type, e.g. diodes, transistors, thyristors the devices comprising three or more electrodes
Patent holdings for IPC class H01L 21/33
Total number of patents in this class: 48
10-year publication summary
|
7
|
6
|
2
|
4
|
0
|
1
|
0
|
1
|
0
|
0
|
| 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. | 47419 |
9 |
| Samsung Electronics Co., Ltd. | 154120 |
5 |
| International Business Machines Corporation | 62251 |
2 |
| Tokyo Electron Limited | 13553 |
2 |
| National Semiconductor Corporation | 890 |
2 |
| Nichia Corporation | 3836 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6392 |
2 |
| Qualcomm Incorporated | 90374 |
1 |
| Intel Corporation | 46681 |
1 |
| Renesas Electronics Corporation | 5866 |
1 |
| Applied Materials, Inc. | 20053 |
1 |
| Csmc Technologies Fab2 Co., Ltd. | 738 |
1 |
| Fudan University | 740 |
1 |
| InvenSense, Inc. | 1202 |
1 |
| Katholieke Universiteit Leuven | 1252 |
1 |
| Leadtrend Technology Corp. | 173 |
1 |
| Lextar Electronics Corporation | 417 |
1 |
| Maxim Integrated Products, Inc. | 1029 |
1 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1486 |
1 |
| Nanya Technology Corporation | 2857 |
1 |
| Other owners | 11 |