Patent holdings for IPC class G03B 17/54

Total number of patents in this class: 247

10-year publication summary

24
37
34
41
28
23
16
13
11
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sony Corporation
32931
26
Seiko Epson Corporation
18724
21
Maxell, Ltd.
2533
14
Samsung Electronics Co., Ltd.
131630
12
FUJIFILM Corporation
27102
11
Maxell Holdings, Ltd.
1422
10
Hewlett-Packard Development Company, L.P.
28538
9
Nikon Corporation
7162
7
Sony Group Corporation
10730
6
Intel Corporation
45621
5
Ricoh Company, Ltd.
13266
5
Panasonic Intellectual Property Management Co., Ltd.
27812
5
Microsoft Technology Licensing, LLC
51439
5
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
18739
4
FUJIFILM Business Innovation Corp.
7395
4
Canon Inc.
36841
3
Casio Computer Co., Ltd.
3343
3
Omron Corporation
6968
3
Disney Enterprises, Inc.
6012
2
Qualcomm Incorporated
76576
2
Other owners 90