- 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: 679
10-year publication summary
|
40
|
25
|
22
|
19
|
21
|
15
|
7
|
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. | 25744 |
85 |
| Kyocera Corporation | 14359 |
38 |
| Panasonic Corporation | 19019 |
30 |
| Seiko Epson Corporation | 20256 |
20 |
| NGK Insulators, Ltd. | 5236 |
18 |
| Taiyo Yuden Co., Ltd. | 2029 |
17 |
| FUJIFILM Corporation | 30514 |
13 |
| Canon Inc. | 43817 |
12 |
| Brother Industries, Ltd. | 12831 |
9 |
| Konica Minolta, Inc. | 9119 |
9 |
| Konica Minolta Holdings, Inc. | 790 |
6 |
| Youtec Co., Ltd. | 43 |
6 |
| Samsung Electronics Co., Ltd. | 157719 |
5 |
| Intel Corporation | 47106 |
5 |
| Robert Bosch GmbH | 44160 |
5 |
| STMicroelectronics S.r.l. | 3377 |
5 |
| Daishinku Corporation | 258 |
5 |
| ULVAC, Inc. | 1345 |
5 |
| Hewlett-Packard Development Company, L.P. | 25184 |
4 |
| Ricoh Company, Ltd. | 13342 |
4 |
| Other owners | 378 |