- 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: 3432
10-year publication summary
285
|
288
|
335
|
353
|
338
|
270
|
227
|
187
|
71
|
7
|
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 |
370 |
Seiko Epson Corporation | 18724 |
221 |
FUJIFILM Corporation | 27102 |
117 |
Kyocera Corporation | 12735 |
116 |
Canon Inc. | 36841 |
100 |
Brother Industries, Ltd. | 13000 |
58 |
TDK Corporation | 6306 |
57 |
Taiyo Yuden Co., Ltd. | 1809 |
52 |
NGK Insulators, Ltd. | 4589 |
51 |
Physik Instrumente (PI) GmbH & Co. KG | 253 |
48 |
Panasonic Corporation | 20786 |
47 |
Koninklijke Philips N.V. | 22975 |
42 |
Konica Minolta, Inc. | 8349 |
41 |
Ricoh Company, Ltd. | 13266 |
38 |
Siemens AG | 24990 |
36 |
Robert Bosch GmbH | 40953 |
33 |
STMicroelectronics S.r.l. | 3693 |
27 |
Cilag GmbH International | 5813 |
27 |
Microjet Technology Co., Ltd. | 344 |
27 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
26 |
Other owners | 1898 |