- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 1/46 - Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
Patent holdings for IPC class H04R 1/46
Total number of patents in this class: 306
10-year publication summary
41
|
31
|
38
|
36
|
48
|
30
|
38
|
45
|
34
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sonitus Medical (Shanghai) Co., Ltd. | 63 |
11 |
Intel Corporation | 45621 |
10 |
Cochlear Limited | 1619 |
10 |
Shenzhen Shokz Co., Ltd. | 629 |
10 |
FUJIFILM Corporation | 27102 |
8 |
Harman International Industries, Incorporated | 2443 |
7 |
StratoScientific, Inc. | 18 |
7 |
Kyocera Corporation | 12735 |
6 |
Google LLC | 38759 |
6 |
Masimo Corporation | 1234 |
6 |
NEC Corporation | 32703 |
5 |
Amazon Technologies, Inc. | 24422 |
5 |
Sanolla Ltd. | 11 |
5 |
Apple Inc. | 50209 |
4 |
Yamaha Corporation | 4054 |
4 |
Comcast Cable Communications, LLC | 4075 |
4 |
Sony Corporation | 32931 |
3 |
Industrial Technology Research Institute | 4898 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Pioneer Corporation | 4843 |
3 |
Other owners | 186 |