Patent holdings for IPC class G01N 23/02

Total number of patents in this class: 446

10-year publication summary

20
32
41
25
37
18
32
18
24
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nuctech Company Limited
1477
33
Tsinghua University
6222
21
American Science and Engineering, Inc.
99
9
Troxler Electronic Laboratories, Inc.
82
9
Saudi Arabian Oil Company
14275
7
Rapiscan Systems, Inc.
283
6
Samsung Electronics Co., Ltd.
158156
5
Halliburton Energy Services, Inc.
21305
5
Commissariat à l'énergie atomique et aux energies alternatives
11126
5
HORIBA, Ltd.
890
5
Mochii, Inc.
19
5
Riken
1716
5
Nuctech (Beijing) Company Limited
49
5
Koninklijke Philips N.V.
25895
4
Nikon Metrology, NV
63
4
Nordson Corporation
1206
4
Sigray, Inc.
88
4
Smiths Detection Inc.
126
4
Smiths Heimann GmbH
124
4
Quaesta Instruments, LLC
12
4
Other owners 298