Patent holdings for IPC class B23K 31/00

Total number of patents in this class: 853

10-year publication summary

56
39
62
54
58
61
54
68
69
30
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6220
53
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2873
44
Mitsubishi Heavy Industries, Ltd.
8703
36
Panasonic Intellectual Property Management Co., Ltd.
31273
36
JFE Steel Corporation
6827
33
Illinois Tool Works Inc.
11453
32
Nippon Steel & Sumitomo Metal Corporation
1988
22
Hitachi, Ltd.
15467
11
Precitec GmbH & Co. KG
196
10
The Chugoku Electric Power Co., Inc.
514
9
FANUC Corporation
6640
9
General Electric Company
13762
8
Bystronic Laser AG
271
8
Daihen Corporation
461
8
Kulicke and Soffa Industries, Inc.
301
8
Rtx Corporation
9352
8
Robert Bosch GmbH
42647
7
Lincoln Global, Inc.
2159
7
Panasonic Corporation
20128
6
Dai-Ichi High Frequency Co., Ltd.
34
6
Other owners 492