Patent holdings for IPC class G01H 9/00

Total number of patents in this class: 2008

10-year publication summary

107
136
160
165
171
191
213
223
219
79
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
NEC Corporation
32703
137
NEC Laboratories America, Inc.
995
130
Halliburton Energy Services, Inc.
20165
71
OptaSense Holdings Limited
190
71
Nippon Telegraph and Telephone Corporation
14195
43
Silixa Ltd.
95
42
Saudi Arabian Oil Company
11322
33
Hifi Engineering Inc.
125
32
Schlumberger Technology Corporation
9690
30
King Abdullah University of Science and Technology
1703
21
The Board of Trustees of the Leland Stanford Junior University
6054
19
Viavi Solutions Inc.
1363
17
Fiber Sense Limited
30
15
Panasonic Intellectual Property Management Co., Ltd.
27812
14
Shell USA, Inc.
1074
14
Chevron U.S.A. Inc.
3774
13
ConocoPhillips Company
1657
13
Siemens Energy, Inc.
1770
12
Commissariat à l'énergie atomique et aux energies alternatives
10525
12
Polytec GmbH
59
12
Other owners 1257