- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/22 - Processes or apparatus specially adapted for the assembly, manufacture or treatment of piezo-electric or electrostrictive devices or of parts thereof
Patent holdings for IPC class H01L 41/22
Total number of patents in this class: 806
10-year publication summary
|
32
|
32
|
41
|
25
|
22
|
19
|
23
|
19
|
8
|
0
|
| 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 |
114 |
| Kyocera Corporation | 12735 |
48 |
| Panasonic Corporation | 20786 |
32 |
| NGK Insulators, Ltd. | 4589 |
23 |
| Seiko Epson Corporation | 18724 |
22 |
| Taiyo Yuden Co., Ltd. | 1809 |
17 |
| FUJIFILM Corporation | 27102 |
16 |
| Canon Inc. | 36841 |
12 |
| Brother Industries, Ltd. | 13000 |
12 |
| Konica Minolta, Inc. | 8349 |
9 |
| Robert Bosch GmbH | 40953 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| STMicroelectronics S.r.l. | 3693 |
7 |
| FUJIFILM Dimatix, Inc. | 331 |
7 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
6 |
| Intel Corporation | 45621 |
6 |
| Konica Minolta Holdings, Inc. | 1086 |
6 |
| Tokyo Institute of Technology | 1367 |
6 |
| ULVAC, Inc. | 1448 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Other owners | 437 |