Patent holdings for IPC class A61B 3/14

Total number of patents in this class: 3471

10-year publication summary

223
271
322
324
419
395
365
319
295
242
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Canon Inc.
37974
305
Kabushiki Kaisha Topcon
714
123
Nidek Co., Ltd.
365
109
Alcon, Inc.
4101
106
Carl Zeiss Meditec AG
1335
96
AMO Development, LLC
653
73
Magic Leap, Inc.
2267
61
Carl Zeiss Meditec, Inc.
267
54
Topcon Corporation
657
54
Welch Allyn, Inc.
786
51
Essilor International (compagnie Generale D'optique)
2714
45
Kowa Company, Ltd.
1178
35
TearScience, Inc.
111
29
Sony Corporation
42563
26
Canon Kabushiki Kaisha
6519
25
Bioptigen, Inc.
96
24
Optos plc
164
24
University of Miami
780
24
Tobii AB
274
22
Verily Life Sciences LLC
1208
22
Other owners 2163