Patent holdings for IPC class G04C 9/00

Total number of patents in this class: 48

10-year publication summary

6
2
11
3
2
1
2
1
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Casio Computer Co., Ltd.
3424
10
Seiko Epson Corporation
19321
8
ETA SA Manufacture Horlogere Suisse
681
5
citizen Watch Co., Ltd.
1076
4
Seiko Watch Corporation
112
3
Chikouji Gakuen Educational Foundation
12
2
Seiko Solutions Inc.
28
2
ZTE Corporation
42269
1
JPMorgan Chase Bank, National Association
8554
1
citizen Holdings Co., Ltd.
307
1
DS Zodiac, Inc.
6
1
Festina Lotus, S.A.
84
1
Korea Research Institute of Standards and Science
674
1
Seiko Clock Inc.
6
1
SII Crystal Technology Inc.
21
1
Sony Semiconductor Solutions Corporation
10404
1
The Swatch Group Research and Development Ltd
842
1
Timex Group B.V.
9
1
Kaha Pte. Ltd.
41
1
Keep in Touch Systems, Inc.
4
1
Other owners 1