- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/18 - Selection of materials for piezo-electric or electrostrictive elements
Patent holdings for IPC class H01L 41/18
Total number of patents in this class: 1193
10-year publication summary
|
88
|
81
|
89
|
99
|
104
|
93
|
68
|
82
|
39
|
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 |
| FUJIFILM Corporation | 27102 |
101 |
| Panasonic Corporation | 20786 |
40 |
| Seiko Epson Corporation | 18724 |
38 |
| Canon Inc. | 36841 |
33 |
| Akoustis, Inc. | 164 |
27 |
| SABIC Global Technologies B.V. | 4044 |
20 |
| Taiyo Yuden Co., Ltd. | 1809 |
18 |
| Tokyo Institute of Technology | 1367 |
16 |
| TDK Corporation | 6306 |
15 |
| Konica Minolta, Inc. | 8349 |
15 |
| Kyocera Corporation | 12735 |
14 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
14 |
| Canon Kabushiki Kaisha | 6884 |
13 |
| NGK Insulators, Ltd. | 4589 |
11 |
| Koninklijke Philips N.V. | 22975 |
10 |
| Daishinku Corporation | 220 |
10 |
| Northeastern University | 1056 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Intel Corporation | 45621 |
9 |
| Other owners | 596 |