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  • C - Chemistrymetallurgy
  • C01G - Compounds containing metals not covered by subclasses or
  • C01G 41/00 - Compounds of tungsten

Patent holdings for IPC class C01G 41/00

Total number of patents in this class: 554

10-year publication summary

42
40
63
43
31
43
30
36
32
19
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Metal Mining Co., Ltd.
2020
102
Uop LLC
4409
8
Yeda Research and Development Co. Ltd.
1394
8
Mitsui Mining & Smelting Co., Ltd.
1059
7
Toshiba Materials Co., Ltd.
558
7
Northwestern University
3604
6
A.L.M.T. Corp.
248
6
Nanotech Industrial Solutions Inc.
18
6
Skyworks Solutions, Inc.
4006
6
University of Connecticut
904
6
Shin-Etsu Chemical Co., Ltd.
6186
5
Oxolife, S.L.
11
5
Nanoco 2D Materials Limited
16
5
Samsung Electronics Co., Ltd.
159978
4
Sumitomo Electric Industries, Ltd.
16447
4
ExxonMobil Chemical Patents Inc.
3760
4
Industry-university Cooperation Foundation Hanyang University Erica Campus
653
4
The Provost, Fellows, Foundation Scholars, and The Other Members of Board, of The College of The Holy and Undivided Trinity of Queen Elizabeth, Near Dublin
177
4
Tokyo Institute of Technology
1301
4
Umicore
789
4
Other owners 349

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