Patent holdings for IPC class B22F 9/20

Total number of patents in this class: 337

10-year publication summary

16
32
19
26
20
18
22
19
24
28
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Ningxia Orient Tantalum Industry Co., Ltd.
58
17
LG Chem, Ltd.
17986
11
National Institute of Advanced Industrial Science and Technology
3791
9
JFE Steel Corporation
7675
9
Metalysis Limited
44
9
K.K. Sun Metalon
29
8
Kinaltek Pty. Ltd.
7
7
TDK Corporation
7043
6
Nichia Corporation
3911
6
Taniobis GmbH
58
6
Kyocera Corporation
14502
5
Kao Corporation
5112
5
DIC Corporation
4000
5
Nanoscale Powders LLC
8
5
Northeastern University
579
5
Sumitomo Metal Mining Co., Ltd.
2013
5
University of Utah Research Foundation
1880
5
Solueta Co., Ltd.
7
5
Dowa Electronics Materials Co., Ltd.
631
4
PLANSEE SE
233
4
Other owners 201