Patent holdings for IPC class B23K 31/00

Total number of patents in this class: 880

10-year publication summary

36
56
52
57
59
51
67
69
57
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6595
56
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2862
44
Mitsubishi Heavy Industries, Ltd.
8961
39
Panasonic Intellectual Property Management Co., Ltd.
32983
38
JFE Steel Corporation
7179
37
Illinois Tool Works Inc.
11660
33
Nippon Steel & Sumitomo Metal Corporation
1985
22
Hitachi, Ltd.
15800
11
FANUC Corporation
6967
10
Precitec GmbH & Co. KG
199
10
Bystronic Laser AG
276
9
The Chugoku Electric Power Co., Inc.
511
9
Daihen Corporation
490
9
TRUMPF Werkzeugmaschinen SE + Co. KG
284
9
General Electric Company
13776
8
Robert Bosch GmbH
43294
8
Dai-Ichi High Frequency Co., Ltd.
37
7
Lincoln Global, Inc.
2133
7
Kulicke and Soffa Industries, Inc.
319
7
Honda Motor Co., Ltd.
25773
5
Other owners 502