Patent holdings for IPC class G01H 17/00

Total number of patents in this class: 1172

10-year publication summary

86
65
76
81
105
91
89
90
76
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NEC Corporation
36455
43
NTN Corporation
4946
22
Mitsubishi Electric Corporation
47338
21
Panasonic Intellectual Property Management Co., Ltd.
32968
20
Kyocera Corporation
14185
16
Halliburton Energy Services, Inc.
21107
15
Hitachi, Ltd.
15803
15
Nippon Telegraph and Telephone Corporation
16266
13
Samsung Electronics Co., Ltd.
151303
11
Mitsubishi Heavy Industries, Ltd.
8962
11
Denso Corporation
24991
11
NSK Ltd.
2822
10
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2864
9
JFE Steel Corporation
7173
8
Mitsubishi Electric Engineering Company, Limited
186
8
S.p.m. Instrument AB
95
7
Kimberly-clark Worldwide, Inc.
5302
6
Toshiba Corporation
12536
6
Seiko Epson Corporation
19806
6
Ricoh Company, Ltd.
13345
6
Other owners 908