- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/33 - Shaping or machining of piezo-electric or electrostrictive bodies
Patent holdings for IPC class H01L 41/33
Total number of patents in this class: 75
10-year publication summary
|
12
|
9
|
5
|
8
|
7
|
4
|
4
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24444 |
7 |
| Qorvo US, Inc. | 2203 |
6 |
| FUJIFILM Corporation | 29295 |
5 |
| Magnecomp Corporation | 201 |
4 |
| The Regents of the University of California | 19857 |
3 |
| Seiko Epson Corporation | 19316 |
3 |
| Rohm Co., Ltd. | 6429 |
2 |
| NGK Insulators, Ltd. | 4944 |
2 |
| The Charles Stark Draper Laboratory, Inc. | 925 |
2 |
| Daishinku Corporation | 242 |
2 |
| Skyworks Solutions, Inc. | 3708 |
2 |
| eXo Imaging, Inc. | 223 |
2 |
| Qualcomm Incorporated | 84847 |
1 |
| Halliburton Energy Services, Inc. | 20835 |
1 |
| Honda Motor Co., Ltd. | 25166 |
1 |
| Panasonic Corporation | 20142 |
1 |
| Ricoh Company, Ltd. | 13198 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
1 |
| TDK Corporation | 6702 |
1 |
| Epcos AG | 702 |
1 |
| Other owners | 27 |