- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 5/04 - Alloys based on a platinum group metal
Patent holdings for IPC class C22C 5/04
Total number of patents in this class: 643
10-year publication summary
|
47
|
59
|
46
|
34
|
39
|
35
|
35
|
35
|
26
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tanaka Kikinzoku Kogyo K.K. | 584 |
64 |
| JX Nippon Mining & Metals Corporation | 1488 |
43 |
| Tohoku University | 2792 |
15 |
| NGK Spark Plug Co., Ltd. | 891 |
13 |
| Heraeus Deutschland GmbH & Co. KG | 418 |
13 |
| Seagate Technology LLC | 3969 |
12 |
| Kyoto University | 2801 |
12 |
| Denso Corporation | 24355 |
10 |
| Ishifuku Metal Industry Co., Ltd. | 34 |
10 |
| Nippon Micrometal Corporation | 150 |
10 |
| Niterra Co., Ltd. | 1278 |
10 |
| Deringer-Ney, Inc. | 25 |
7 |
| Tokuriki Honten Co., Ltd. | 22 |
7 |
| Robert Bosch GmbH | 42705 |
6 |
| Nitto Denko Corporation | 8253 |
6 |
| Massachusetts Institute of Technology | 10062 |
6 |
| Japan Science and Technology Agency | 1321 |
6 |
| Furuya Metal Co., Ltd. | 113 |
6 |
| Yokowo Co., Ltd. | 539 |
6 |
| Stryker Corporation | 5046 |
5 |
| Other owners | 376 |