- 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: 1911
10-year publication summary
|
153
|
148
|
171
|
138
|
103
|
58
|
33
|
0
|
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. | 25455 |
147 |
| Seiko Epson Corporation | 19984 |
130 |
| Panasonic Corporation | 19829 |
44 |
| TDK Corporation | 6807 |
44 |
| FUJIFILM Corporation | 30192 |
38 |
| Canon Inc. | 42088 |
33 |
| NGK Insulators, Ltd. | 5171 |
26 |
| Ricoh Company, Ltd. | 13313 |
24 |
| Kyocera Corporation | 14211 |
23 |
| Konica Minolta Medical & Graphic, Inc. | 652 |
23 |
| Konica Minolta, Inc. | 9003 |
22 |
| Soitec | 1059 |
21 |
| Taiyo Yuden Co., Ltd. | 2013 |
20 |
| Boe Technology Group Co., Ltd. | 42839 |
18 |
| Sumitomo Chemical Company, Limited | 9048 |
17 |
| TDK Electronics AG | 996 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
14 |
| Rohm Co., Ltd. | 6723 |
14 |
| Olympus Corporation | 13032 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
13 |
| Other owners | 1212 |