Patent holdings for IPC class G03B 21/10

Total number of patents in this class: 351

10-year publication summary

45
47
41
41
34
29
17
11
21
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Seiko Epson Corporation
18724
24
Sony Corporation
32931
12
FUJIFILM Corporation
27102
9
Disney Enterprises, Inc.
6012
8
Ricoh Company, Ltd.
13266
7
Pioneer Corporation
4843
6
Coretronic Corporation
1165
6
e Ink Corporation
1411
6
Matsushita Electric Industrial Co., Ltd.
4724
5
Texas Instruments Incorporated
19376
5
Mitsubishi Electric Corporation
43934
5
Dai Nippon Printing Co., Ltd.
3891
5
Arovia, Inc.
13
5
Mirraviz, Inc.
30
5
Young Optics Inc.
247
5
FUJIFILM Business Innovation Corp.
7395
5
Samsung Electronics Co., Ltd.
131630
4
Hewlett-Packard Development Company, L.P.
28538
4
Panasonic Intellectual Property Management Co., Ltd.
27812
4
Barco N.V.
478
4
Other owners 217