Patent holdings for IPC class G04R 20/10

Total number of patents in this class: 21

10-year publication summary

1
1
1
0
1
0
0
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Seiko Epson Corporation
18984
6
Casio Computer Co., Ltd.
3372
4
SII Crystal Technology Inc.
21
3
citizen Holdings Co., Ltd.
325
2
citizen Watch Co., Ltd.
1070
2
Beijing KT Micro, Ltd.
4
1
XW LLC dba Xtendwave
8
1
Sharp Kabushiki Kaisha
18873
1
Aptiv Technologies AG
2302
1
Other owners 0