- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/22 - Processes or apparatus specially adapted for the assembly, manufacture or treatment of piezo-electric or electrostrictive devices or of parts thereof
Patent holdings for IPC class H01L 41/22
Total number of patents in this class: 695
10-year publication summary
|
40
|
25
|
22
|
19
|
21
|
16
|
8
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25514 |
86 |
| Kyocera Corporation | 14242 |
39 |
| Panasonic Corporation | 19586 |
31 |
| Seiko Epson Corporation | 20013 |
21 |
| NGK Insulators, Ltd. | 5199 |
18 |
| Taiyo Yuden Co., Ltd. | 2014 |
17 |
| FUJIFILM Corporation | 30244 |
13 |
| Canon Inc. | 42303 |
12 |
| Brother Industries, Ltd. | 12867 |
10 |
| Konica Minolta, Inc. | 9026 |
9 |
| Robert Bosch GmbH | 43587 |
6 |
| Konica Minolta Holdings, Inc. | 821 |
6 |
| ULVAC, Inc. | 1361 |
6 |
| Youtec Co., Ltd. | 43 |
6 |
| Samsung Electronics Co., Ltd. | 153845 |
5 |
| Intel Corporation | 46680 |
5 |
| STMicroelectronics S.r.l. | 3406 |
5 |
| Daishinku Corporation | 254 |
5 |
| Hewlett-Packard Development Company, L.P. | 25339 |
4 |
| Ricoh Company, Ltd. | 13294 |
4 |
| Other owners | 387 |