Patent holdings for IPC class B23K 20/12

Total number of patents in this class: 2510

10-year publication summary

191
204
190
215
214
194
147
131
162
79
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Light Metal Company, Ltd.
660
180
The Boeing Company
20025
76
Osaka University
3367
72
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3075
69
Kawasaki Heavy Industries, Limited
1618
63
JFE Steel Corporation
6794
55
Honda Motor Co., Ltd.
25157
54
Mitsubishi Heavy Industries, Ltd.
8657
31
Grenzebach Maschinenbau GmbH
174
30
Rolls-Royce PLC
3072
27
EJOT GmbH & Co. KG
95
25
Apci, LLC
25
24
Lockheed Martin Corporation
3278
23
Element Six (UK) Limited
211
23
Mazak Corporation
44
22
MELD Manufacturing Corporation
46
22
Rtx Corporation
9313
22
Airbus Operations GmbH
3325
19
Ford Global Technologies, LLC
20487
17
IHI Corporation
3413
17
Other owners 1639