- 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: 3173
10-year publication summary
|
287
|
335
|
353
|
335
|
265
|
204
|
142
|
59
|
7
|
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. | 24603 |
337 |
| Seiko Epson Corporation | 19398 |
202 |
| FUJIFILM Corporation | 29437 |
117 |
| Kyocera Corporation | 13857 |
110 |
| Canon Inc. | 40095 |
96 |
| TDK Corporation | 6761 |
56 |
| Brother Industries, Ltd. | 12958 |
53 |
| Taiyo Yuden Co., Ltd. | 1939 |
52 |
| Panasonic Corporation | 20088 |
47 |
| NGK Insulators, Ltd. | 4968 |
44 |
| Konica Minolta, Inc. | 8755 |
41 |
| Koninklijke Philips N.V. | 24767 |
40 |
| Physik Instrumente (PI) GmbH & Co. KG | 229 |
39 |
| Ricoh Company, Ltd. | 13283 |
37 |
| Robert Bosch GmbH | 42705 |
31 |
| Siemens AG | 24453 |
27 |
| Cilag GmbH International | 6264 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
26 |
| Microjet Technology Co., Ltd. | 448 |
25 |
| STMicroelectronics S.r.l. | 3607 |
24 |
| Other owners | 1742 |