Patent holdings for IPC class C22C 9/05

Total number of patents in this class: 318

10-year publication summary

29
26
15
18
20
8
8
12
16
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JX Nippon Mining & Metals Corporation
1501
58
The Furukawa Electric Co., Ltd.
3627
51
Mitsubishi Materials Corporation
2431
24
Murata Manufacturing Co., Ltd.
24342
18
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2872
17
Furukawa Techno Material Co., Ltd.
29
11
Tohoku University
2755
10
Seagate Technology LLC
3967
7
BYD Company Limited
4804
6
KOA Corporation
414
6
Nippon Mining & Metals Co., Ltd.
126
5
NGK Insulators, Ltd.
4920
4
Purdue Research Foundation
3564
4
Daido Metal Company Ltd.
231
4
Oiles Corporation
511
4
Advanced Alloy Holdings Pty Ltd
7
4
Hunan Terry New Materials Company Ltd.
7
3
National University Corporation Yokohama National University
335
3
Oerlikon Metco (US) Inc.
210
3
Sloan Valve Company
275
3
Other owners 73