Patent holdings for IPC class G01N 21/27

Total number of patents in this class: 3755

10-year publication summary

304
319
370
357
295
303
262
237
155
35
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Konica Minolta, Inc.
8561
71
Panasonic Intellectual Property Management Co., Ltd.
29944
65
Halliburton Energy Services, Inc.
20477
52
Hitachi High-Tech Corporation
5100
47
Olympus Corporation
13265
46
Sony Corporation
31511
44
FUJIFILM Corporation
28857
44
Hamamatsu Photonics K.K.
4321
40
NEC Corporation
34584
38
Shimadzu Corporation
6047
36
F. Hoffmann-La Roche AG
7957
32
Nikon Corporation
7120
31
Sony Group Corporation
12811
31
Viavi Solutions Inc.
1399
30
Canon Kabushiki Kaisha
6963
30
Hitachi High-Technologies Corporation
2016
26
Siemens Healthcare Diagnostics Inc.
2015
25
National Institute of Advanced Industrial Science and Technology
3758
21
Hitachi, Ltd.
15264
20
Life Technologies Corporation
3227
19
Other owners 3007