Patent holdings for IPC class B23K 31/00

Total number of patents in this class: 895

10-year publication summary

39
62
54
58
61
54
69
72
67
33
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6911
56
JFE Steel Corporation
7562
44
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2837
42
Panasonic Intellectual Property Management Co., Ltd.
34080
40
Mitsubishi Heavy Industries, Ltd.
9152
38
Illinois Tool Works Inc.
11864
34
Nippon Steel & Sumitomo Metal Corporation
1981
22
Hitachi, Ltd.
16146
11
Daihen Corporation
497
10
FANUC Corporation
7249
10
Precitec GmbH & Co. KG
201
10
Bystronic Laser AG
278
9
The Chugoku Electric Power Co., Inc.
511
9
TRUMPF Werkzeugmaschinen SE + Co. KG
323
9
General Electric Company
13908
8
Robert Bosch GmbH
44209
8
Mitsubishi Electric Corporation
48097
7
Dai-Ichi High Frequency Co., Ltd.
37
7
Lincoln Global, Inc.
2117
7
Kulicke and Soffa Industries, Inc.
339
7
Other owners 507