Patent holdings for IPC class G01H 17/00

Total number of patents in this class: 1182

10-year publication summary

86
65
76
81
105
91
90
90
76
21
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NEC Corporation
36595
43
NTN Corporation
4941
23
Mitsubishi Electric Corporation
47529
22
Panasonic Intellectual Property Management Co., Ltd.
33438
21
Kyocera Corporation
14234
16
Halliburton Energy Services, Inc.
21162
15
Hitachi, Ltd.
15877
15
Samsung Electronics Co., Ltd.
153357
13
Nippon Telegraph and Telephone Corporation
16010
13
Mitsubishi Heavy Industries, Ltd.
9009
11
Denso Corporation
25153
11
NSK Ltd.
2824
10
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2835
9
JFE Steel Corporation
7329
8
Mitsubishi Electric Engineering Company, Limited
186
8
S.p.m. Instrument AB
96
7
Kimberly-clark Worldwide, Inc.
5302
6
Toshiba Corporation
12677
6
Seiko Epson Corporation
19983
6
Ricoh Company, Ltd.
13305
6
Other owners 913