Patent holdings for IPC class G01H 9/00

Total number of patents in this class: 1729

10-year publication summary

66
103
107
136
160
165
171
187
202
189
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Principal owners for this class

Owner
All patents
This class
NEC Laboratories America, Inc.
862
92
NEC Corporation
30008
81
OptaSense Holdings Limited
195
74
Halliburton Energy Services, Inc.
19670
66
Silixa Ltd.
88
37
Saudi Arabian Oil Company
9610
32
Hifi Engineering Inc.
111
29
Schlumberger Technology Corporation
9164
27
Nippon Telegraph and Telephone Corporation
10048
23
King Abdullah University of Science and Technology
1529
20
The Board of Trustees of the Leland Stanford Junior University
5650
18
Canon Inc.
36959
15
Panasonic Intellectual Property Management Co., Ltd.
25505
14
Siemens Energy, Inc.
1850
14
Shell USA, Inc.
905
14
Chevron U.S.A. Inc.
3571
12
ConocoPhillips Company
1577
12
Polytec GmbH
64
12
Shenzhen Haoshi Intelligent Technology Co., Ltd
28
12
The United States of America as represented by the Secretary of the Navy
2930
11
Other owners 1114