Patent holdings for IPC class G02B 27/48

Total number of patents in this class: 1014

10-year publication summary

110
94
100
92
108
84
56
41
31
25
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dai Nippon Printing Co., Ltd.
4071
64
Sony Corporation
31107
38
Seiko Epson Corporation
19316
18
Ricoh Company, Ltd.
13198
18
Microsoft Technology Licensing, LLC
53607
17
Digilens, Inc.
215
17
Google LLC
42004
14
Corning Incorporated
10246
12
Funai Electric Co., Ltd.
526
12
ASML Netherlands B.V.
7355
12
Robert Bosch GmbH
42614
11
IMAX Corporation
258
11
Hisense Laser Display Co., Ltd.
385
11
Olympus Corporation
13187
10
JVC Kenwood Corporation
3005
10
Hamamatsu Photonics K.K.
4403
10
Coretronic Corporation
1271
10
RealD Inc.
259
10
Koninklijke Philips Electronics N.V.
9805
9
Eastman Kodak Company
2908
9
Other owners 691