- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/297 - Individual layer electrodes of multilayered piezo-electric or electrostrictive parts
Patent holdings for IPC class H01L 41/297
Total number of patents in this class: 171
10-year publication summary
|
17
|
22
|
32
|
15
|
16
|
12
|
12
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
24 |
| Kyocera Corporation | 12735 |
13 |
| Seiko Epson Corporation | 18724 |
7 |
| Epcos AG | 778 |
7 |
| Canon Inc. | 36841 |
6 |
| TDK Corporation | 6306 |
5 |
| Magnecomp Corporation | 197 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| NGK Insulators, Ltd. | 4589 |
3 |
| Taiyo Yuden Co., Ltd. | 1809 |
3 |
| TDK Electronics AG | 863 |
3 |
| Vitesco Technologies GmbH | 2372 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Denso Corporation | 23338 |
2 |
| SAE Magnetics (H.K.) Ltd. | 355 |
2 |
| Mitsui Chemicals, Inc. | 3134 |
2 |
| Other owners | 68 |