Patent holdings for IPC class G01H 17/00

Total number of patents in this class: 1139

10-year publication summary

79
92
69
82
88
107
94
94
92
48
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NEC Corporation
35734
43
NTN Corporation
4975
22
Mitsubishi Electric Corporation
46160
20
Panasonic Intellectual Property Management Co., Ltd.
31515
20
Kyocera Corporation
13846
16
Halliburton Energy Services, Inc.
20908
15
Hitachi, Ltd.
15499
15
Nippon Telegraph and Telephone Corporation
17349
13
Mitsubishi Heavy Industries, Ltd.
8735
11
Denso Corporation
24334
11
Samsung Electronics Co., Ltd.
146534
10
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2871
9
NSK Ltd.
2782
8
JFE Steel Corporation
6853
8
Mitsubishi Electric Engineering Company, Limited
185
8
S.p.m. Instrument AB
96
7
Honeywell International Inc.
13567
6
Kimberly-clark Worldwide, Inc.
5495
6
Seiko Epson Corporation
19371
6
Omron Corporation
7258
6
Other owners 879