Patent holdings for IPC class B22F 9/00

Total number of patents in this class: 617

10-year publication summary

42
25
33
32
26
48
32
39
40
41
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dowa Electronics Materials Co., Ltd.
631
40
Mitsubishi Materials Corporation
2449
14
Mitsui Mining & Smelting Co., Ltd.
1489
13
Daicel Corporation
2353
12
FUJIFILM Corporation
29437
11
Tanaka Kikinzoku Kogyo K.K.
584
11
Kao Corporation
4967
10
DIC Corporation
3801
10
Showa Denko Materials Co., Ltd.
624
9
Bando Chemical Industries, Ltd.
583
7
Murata Manufacturing Co., Ltd.
24603
6
Kyocera Corporation
13857
6
JFE Steel Corporation
6849
6
Sumitomo Metal Mining Co., Ltd.
1778
6
Centre National de La Recherche Scientifique
10464
5
Sumitomo Electric Industries, Ltd.
15529
5
Seiko Epson Corporation
19398
5
Clene Nanomedicine, Inc.
32
5
Ishihara Sangyo Kaisha, Ltd.
656
5
LG Chem, Ltd.
17635
4
Other owners 427