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  • C - Chemistrymetallurgy
  • C01G - Compounds containing metals not covered by subclasses or
  • C01G 25/02 - Oxides

Patent holdings for IPC class C01G 25/02

Total number of patents in this class: 686

10-year publication summary

42
47
56
33
35
51
49
40
36
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daiichi Kigenso Kagaku Kogyo Co., Ltd.
174
34
Rhodia Operations
1539
25
3m Innovative Properties Company
17592
20
Kuraray Noritake Dental Inc.
449
20
Tosoh Corporation
1355
20
Sumitomo Osaka Cement Co., Ltd.
879
15
HHeLi, LLC
73
13
Sakai Chemical Industry Co., Ltd.
274
11
NGK Insulators, Ltd.
5205
10
Magnesium Elektron Limited
84
10
Corning Incorporated
10390
9
Nippon Shokubai Co., Ltd.
1518
9
Essilor International (compagnie Generale D'optique)
2977
8
Saint-Gobain Centre de Recherches et d'Etudes Europeen
494
8
Shandong Sinocera Functional Material Co., Ltd.
45
7
Ivoclar Vivadent AG
1051
6
Saint-Gobain Ceramics & Plastics, Inc.
809
6
Tohoku University
2873
6
BASF SE
21134
5
National Institute of Advanced Industrial Science and Technology
3795
5
Other owners 439

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