Patent holdings for IPC class G01B 9/02

Total number of patents in this class: 5221

10-year publication summary

368
420
413
389
393
406
392
356
345
190
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Principal owners for this class

Owner
All patents
This class
Canon Inc.
37045
121
The General Hospital Corporation
4346
121
Zygo Corporation
245
107
Carl Zeiss Meditec AG
1392
75
Carl Zeiss SMT GmbH
2411
61
ASML Netherlands B.V.
6310
60
Hamamatsu Photonics K.K.
3894
59
Carl Zeiss Meditec, Inc.
271
59
Mitutoyo Corporation
1258
50
KLA-Tencor Corporation
2628
40
The Regents of the University of California
17859
39
Duke University
2712
34
Robert Bosch GmbH
39706
33
Nikon Corporation
7678
33
Excelitas Technologies Corp.
213
33
Corning Incorporated
9606
32
Canon Kabushiki Kaisha
6625
32
Massachusetts Institute of Technology
9491
31
Bioptigen, Inc.
96
31
Topcon Corporation
764
31
Other owners 4139