Patent holdings for IPC class C22C 19/00

Total number of patents in this class: 498

10-year publication summary

38
42
27
26
25
19
26
27
18
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1337
19
TDK Corporation
6858
11
Panasonic Intellectual Property Management Co., Ltd.
33997
11
W. L. Gore & Associates, Inc.
2720
11
Santoku Corporation
82
11
GE Infrastructure Technology, LLC
6171
9
Siemens Energy, Inc.
1685
8
GS Yuasa International Ltd.
2248
8
Siemens AG
24029
7
National Institute of Advanced Industrial Science and Technology
3794
7
Japan Metals and Chemicals Co., Ltd.
18
7
Mitsui Mining & Smelting Co., Ltd.
1100
7
Rtx Corporation
10102
7
Hitachi Metals, Ltd.
1898
6
Materion Corporation
322
6
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12369
6
Panasonic Corporation
19019
5
Sumitomo Electric Industries, Ltd.
16331
5
BASF Corporation
1681
5
Aperam
138
5
Other owners 337