• All sections
  • C - Chemistry; metallurgy
  • C22C - Alloys
  • C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ

Patent holdings for IPC class C22C 32/00

Total number of patents in this class: 974

10-year publication summary

93
96
73
102
79
78
61
65
58
17
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
JX Nippon Mining & Metals Corporation
1576
34
Baker Hughes Holdings LLC
3060
19
Mitsubishi Materials Corporation
2378
15
A.L.M.T. Corp.
209
14
HRL Laboratories, LLC
1588
13
Tanaka Kikinzoku Kogyo K.K.
589
12
Rtx Corporation
8674
12
The Regents of the University of California
18943
10
Jiangsu University
950
10
Powdermet, Inc.
45
10
Siemens AG
24990
9
Murata Manufacturing Co., Ltd.
22355
8
Kennametal Inc.
1380
8
Central South University
364
8
GKN Sinter Metals, LLC
106
8
Tecnium, LLC
10
8
Baker Hughes, a GE Company, LLC
2171
8
Honeywell International Inc.
13799
7
Sumitomo Electric Industries, Ltd.
14131
7
Toyo Kohan Co., Ltd.
413
7
Other owners 747