Patent holdings for IPC class G01N 23/02

Total number of patents in this class: 445

10-year publication summary

20
32
41
25
37
18
32
19
24
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nuctech Company Limited
1478
33
Tsinghua University
6217
21
American Science and Engineering, Inc.
99
9
Troxler Electronic Laboratories, Inc.
82
9
Saudi Arabian Oil Company
14248
7
Rapiscan Systems, Inc.
283
6
Samsung Electronics Co., Ltd.
157946
5
Halliburton Energy Services, Inc.
21320
5
Commissariat à l'énergie atomique et aux energies alternatives
11124
5
HORIBA, Ltd.
890
5
Mochii, Inc.
19
5
Riken
1717
5
Nuctech (Beijing) Company Limited
49
5
Koninklijke Philips N.V.
25873
4
Nikon Metrology, NV
63
4
Nordson Corporation
1202
4
Sigray, Inc.
88
4
Smiths Detection Inc.
126
4
Smiths Heimann GmbH
124
4
Quaesta Instruments, LLC
12
4
Other owners 297