- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/332 - Shaping or machining of piezo-electric or electrostrictive bodies by etching, e.g. lithography
Patent holdings for IPC class H01L 41/332
Total number of patents in this class: 286
10-year publication summary
|
27
|
38
|
36
|
48
|
40
|
31
|
23
|
19
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
29 |
| Murata Manufacturing Co., Ltd. | 22355 |
24 |
| Sumitomo Chemical Company, Limited | 8808 |
16 |
| Konica Minolta, Inc. | 8349 |
9 |
| Rohm Co., Ltd. | 5843 |
7 |
| STMicroelectronics S.r.l. | 3693 |
7 |
| The Regents of the University of California | 18943 |
6 |
| Kyocera Corporation | 12735 |
5 |
| Intel Corporation | 45621 |
4 |
| FUJIFILM Corporation | 27102 |
4 |
| Texas Instruments Incorporated | 19376 |
4 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Akoustis, Inc. | 164 |
4 |
| Nihon Dempa Kogyo Co., Ltd. | 265 |
4 |
| Soitec | 892 |
4 |
| Kyocera Sld Laser, Inc. | 281 |
4 |
| Qualcomm Technologies, Inc. | 235 |
3 |
| Denso Corporation | 23338 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
| Other owners | 138 |