Patent holdings for IPC class C22C 45/00

Total number of patents in this class: 372

10-year publication summary

32
29
21
21
16
10
14
11
13
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
California Institute of Technology
4039
31
Crucible Intellectual Property, LLC
84
30
Apple Inc.
58936
26
Glassimetal Technology, Inc.
25
10
Proterial, Ltd.
941
10
TDK Corporation
6884
9
BYD Company Limited
6495
8
The United States of America as represented by the Secretary of the Navy
2859
7
Tohoku University
2989
7
Yale University
2550
7
Heraeus Amloy Technologies GmbH
26
7
Hewlett-Packard Development Company, L.P.
25175
6
Samsung Electronics Co., Ltd.
158156
5
Rolex S.A.
727
5
Toyota Motor Corporation
35857
4
Canon Inc.
43941
4
Massachusetts Institute of Technology
10259
4
Dongguan Eontec Co., Ltd.
45
4
Oregon State University
417
4
Siemens AG
24011
3
Other owners 181