Patent holdings for IPC class C22C 45/00

Total number of patents in this class: 372

10-year publication summary

42
32
29
21
21
15
10
14
11
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
California Institute of Technology
3995
32
Crucible Intellectual Property, LLC
87
31
Apple Inc.
56571
26
Glassimetal Technology, Inc.
25
10
Proterial, Ltd.
888
10
TDK Corporation
6749
9
BYD Company Limited
5546
8
The United States of America as represented by the Secretary of the Navy
2804
7
Tohoku University
2852
7
Yale University
2447
7
Heraeus Amloy Technologies GmbH
26
7
Hewlett-Packard Development Company, L.P.
25557
6
Samsung Electronics Co., Ltd.
149582
5
Toyota Motor Corporation
33622
4
Canon Inc.
41234
4
Massachusetts Institute of Technology
10160
4
Dongguan Eontec Co., Ltd.
45
4
Oregon State University
396
4
Rolex S.A.
690
4
Siemens AG
24303
3
Other owners 180