Détention brevets de la classe B22F 9/04

Brevets de cette classe: 1520

Historique des publications depuis 10 ans

121
126
124
107
110
119
130
133
107
67
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
TDK Corporation
6876
49
Hitachi Metals, Ltd.
1896
33
Fujian Golden Dragon Rare-earth Co., Ltd.
74
20
Shin-Etsu Chemical Co., Ltd.
6109
17
Pukyong National University Industry-University Cooperation Foundation
376
17
Murata Manufacturing Co., Ltd.
25758
16
Dowa Electronics Materials Co., Ltd.
636
15
The Boeing Company
20163
12
Sumitomo Electric Industries, Ltd.
16355
12
SunCoke Technology and Development LLC
246
12
Toyota Motor Corporation
35813
11
Ningxia Orient Tantalum Industry Co., Ltd.
58
11
Santoku Corporation
82
11
Yantai Dongxing Magnetic Materials Inc.
36
11
Noveon Magnetics Inc.
38
11
Toshiba Corporation
12569
10
Nissan Motor Co., Ltd.
12966
10
National Institute of Advanced Industrial Science and Technology
3794
10
The United States of America as represented by the Secretary of the Army
1259
10
Yantai Zhenghai Magnetic Material Co., Ltd.
56
10
Autres propriétaires 1212