- All sections
- C - Chemistry; metallurgy
- 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: 636
10-year publication summary
49
|
47
|
61
|
46
|
34
|
40
|
35
|
34
|
33
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tanaka Kikinzoku Kogyo K.K. | 589 |
67 |
JX Nippon Mining & Metals Corporation | 1576 |
46 |
Tohoku University | 2526 |
15 |
Heraeus Deutschland GmbH & Co. KG | 643 |
14 |
NGK Spark Plug Co., Ltd. | 935 |
13 |
Seagate Technology LLC | 4228 |
12 |
Kyoto University | 2732 |
11 |
Denso Corporation | 23338 |
10 |
Niterra Co., Ltd. | 1122 |
10 |
Deringer-Ney, Inc. | 27 |
9 |
Ishifuku Metal Industry Co., Ltd. | 29 |
9 |
Nippon Micrometal Corporation | 126 |
9 |
Tokuriki Honten Co., Ltd. | 20 |
7 |
Nitto Denko Corporation | 7879 |
6 |
Massachusetts Institute of Technology | 9795 |
6 |
Furuya Metal Co., Ltd. | 116 |
6 |
National Institute for Materials Science | 1108 |
6 |
Toyota Motor Corporation | 28582 |
5 |
Robert Bosch GmbH | 40953 |
5 |
Japan Science and Technology Agency | 1564 |
5 |
Other owners | 365 |