- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/08 - Piezo-electric or electrostrictive elements
Patent holdings for IPC class H01L 41/08
Total number of patents in this class: 2083
10-year publication summary
|
137
|
153
|
148
|
172
|
138
|
107
|
93
|
39
|
1
|
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. | 23609 |
165 |
| Seiko Epson Corporation | 18966 |
137 |
| TDK Corporation | 6517 |
46 |
| Panasonic Corporation | 20339 |
45 |
| FUJIFILM Corporation | 28467 |
42 |
| Canon Inc. | 38016 |
33 |
| NGK Insulators, Ltd. | 4782 |
28 |
| Kyocera Corporation | 13319 |
26 |
| Ricoh Company, Ltd. | 13202 |
24 |
| Konica Minolta Medical & Graphic, Inc. | 886 |
23 |
| Konica Minolta, Inc. | 8510 |
22 |
| Taiyo Yuden Co., Ltd. | 1887 |
22 |
| Boe Technology Group Co., Ltd. | 38724 |
21 |
| Soitec | 951 |
21 |
| Sumitomo Chemical Company, Limited | 8966 |
18 |
| TDK Electronics AG | 898 |
17 |
| Massachusetts Institute of Technology | 9903 |
16 |
| Olympus Corporation | 13289 |
15 |
| Texas Instruments Incorporated | 19403 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
14 |
| Other owners | 1334 |