- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/09 - Piezo-electric or electrostrictive elements with electrical input and mechanical output
Patent holdings for IPC class H01L 41/09
Total number of patents in this class: 3070
10-year publication summary
|
335
|
353
|
335
|
265
|
202
|
127
|
48
|
6
|
0
|
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. | 25566 |
319 |
| Seiko Epson Corporation | 20022 |
200 |
| FUJIFILM Corporation | 30294 |
116 |
| Kyocera Corporation | 14280 |
103 |
| Canon Inc. | 42406 |
96 |
| TDK Corporation | 6814 |
54 |
| Brother Industries, Ltd. | 12856 |
52 |
| Taiyo Yuden Co., Ltd. | 2017 |
52 |
| Panasonic Corporation | 19530 |
46 |
| NGK Insulators, Ltd. | 5212 |
43 |
| Konica Minolta, Inc. | 9040 |
41 |
| Koninklijke Philips N.V. | 25642 |
40 |
| Ricoh Company, Ltd. | 13299 |
37 |
| Physik Instrumente (PI) GmbH & Co. KG | 227 |
37 |
| Robert Bosch GmbH | 43646 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
26 |
| Cilag GmbH International | 6386 |
26 |
| Microjet Technology Co., Ltd. | 460 |
24 |
| Apple Inc. | 58181 |
23 |
| Siemens AG | 24189 |
23 |
| Other owners | 1681 |