- All sections
- 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: 551
10-year publication summary
|
42
|
40
|
63
|
43
|
31
|
43
|
30
|
36
|
32
|
15
|
| 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. | 1982 |
102 |
| Uop LLC | 4390 |
8 |
| Yeda Research and Development Co. Ltd. | 1380 |
8 |
| Mitsui Mining & Smelting Co., Ltd. | 1098 |
7 |
| Nanotech Industrial Solutions Inc. | 19 |
7 |
| Toshiba Materials Co., Ltd. | 563 |
7 |
| Northwestern University | 3554 |
6 |
| A.L.M.T. Corp. | 242 |
6 |
| Skyworks Solutions, Inc. | 3966 |
6 |
| University of Connecticut | 883 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 6117 |
5 |
| Oxolife, S.L. | 11 |
5 |
| Nanoco 2D Materials Limited | 16 |
5 |
| Samsung Electronics Co., Ltd. | 158337 |
4 |
| Sumitomo Electric Industries, Ltd. | 16412 |
4 |
| ExxonMobil Chemical Patents Inc. | 3773 |
4 |
| Industry-university Cooperation Foundation Hanyang University Erica Campus | 644 |
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 | 178 |
4 |
| Tokyo Institute of Technology | 1311 |
4 |
| Umicore | 776 |
4 |
| Other owners | 345 |