- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 27/04 - Alloys based on tungsten or molybdenum
Patent holdings for IPC class C22C 27/04
Total number of patents in this class: 635
10-year publication summary
|
41
|
58
|
32
|
34
|
34
|
46
|
55
|
41
|
54
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| A.L.M.T. Corp. | 247 |
39 |
| Toshiba Materials Co., Ltd. | 559 |
29 |
| PLANSEE SE | 233 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
23 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6162 |
23 |
| Mirus LLC | 262 |
22 |
| Maxterial, Inc. | 47 |
18 |
| Elmet Technologies LLC | 28 |
16 |
| JX Nippon Mining & Metals Corporation | 1453 |
16 |
| Meidensha Corporation | 941 |
15 |
| Massachusetts Institute of Technology | 10322 |
13 |
| Mitsubishi Materials Corporation | 2484 |
10 |
| Hitachi Metals, Ltd. | 1813 |
9 |
| Xiamen Honglu Tungsten Molybdenum Industry Co., Ltd | 14 |
9 |
| Abbott Cardiovascular Systems, Inc. | 1012 |
8 |
| Kabushiki Kaisha Riken | 294 |
8 |
| Niterra Materials Co., Ltd. | 146 |
8 |
| The Regents of the University of California | 20960 |
7 |
| Henan University of Science and Technology | 41 |
7 |
| H.C. Starck Solutions Euclid, LLC | 17 |
7 |
| Other owners | 324 |