- 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: 2232
10-year publication summary
141
|
137
|
153
|
148
|
172
|
140
|
125
|
103
|
40
|
1
|
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 |
174 |
Seiko Epson Corporation | 18724 |
146 |
TDK Corporation | 6306 |
50 |
Panasonic Corporation | 20786 |
46 |
FUJIFILM Corporation | 27102 |
43 |
Canon Inc. | 36841 |
35 |
Kyocera Corporation | 12735 |
29 |
NGK Insulators, Ltd. | 4589 |
29 |
Ricoh Company, Ltd. | 13266 |
24 |
Taiyo Yuden Co., Ltd. | 1809 |
24 |
Konica Minolta Medical & Graphic, Inc. | 986 |
23 |
Boe Technology Group Co., Ltd. | 35384 |
23 |
Soitec | 892 |
23 |
Konica Minolta, Inc. | 8349 |
22 |
Olympus Corporation | 13667 |
21 |
Sumitomo Chemical Company, Limited | 8808 |
19 |
TDK Electronics AG | 863 |
17 |
Massachusetts Institute of Technology | 9795 |
16 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
Akoustis, Inc. | 164 |
15 |
Other owners | 1438 |