Patent holdings for IPC class B23K 31/00

Total number of patents in this class: 793

10-year publication summary

38
56
39
62
54
58
59
52
62
19
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
5649
51
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2865
43
Mitsubishi Heavy Industries, Ltd.
8217
36
JFE Steel Corporation
6067
29
Illinois Tool Works Inc.
11152
28
Panasonic Intellectual Property Management Co., Ltd.
27812
28
Nippon Steel & Sumitomo Metal Corporation
1990
22
Hitachi, Ltd.
16452
11
Texas Instruments Incorporated
19376
9
The Chugoku Electric Power Co., Inc.
498
9
Precitec GmbH & Co. KG
176
9
Daihen Corporation
435
8
FANUC Corporation
5803
8
Kulicke and Soffa Industries, Inc.
292
8
Rtx Corporation
8674
8
General Electric Company
18133
7
Lincoln Global, Inc.
2180
7
The Boeing Company
19843
6
Panasonic Corporation
20786
6
Robert Bosch GmbH
40953
6
Other owners 454