- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 9/02 - Alloys based on copper with tin as the next major constituent
Patent holdings for IPC class C22C 9/02
Total number of patents in this class: 730
10-year publication summary
|
56
|
50
|
48
|
37
|
27
|
15
|
35
|
18
|
17
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1461 |
77 |
| The Furukawa Electric Co., Ltd. | 3701 |
53 |
| Mitsubishi Materials Corporation | 2468 |
45 |
| Sumitomo Electric Industries, Ltd. | 16305 |
29 |
| Taiho Kogyo Co., Ltd. | 327 |
29 |
| Sumitomo Wiring Systems, Ltd. | 10987 |
24 |
| AutoNetworks Technologies, Ltd. | 7089 |
24 |
| Mitsubishi Shindoh Co., Ltd. | 122 |
20 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
18 |
| Wieland-Werke AG | 353 |
17 |
| KS Gleitlager GmbH | 76 |
12 |
| Materion Corporation | 322 |
12 |
| Diamet Corporation | 91 |
11 |
| Dowa Metaltech Co., Ltd. | 174 |
11 |
| Nippon Steel Corporation | 6843 |
10 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
10 |
| Senju Metal Industry Co., Ltd. | 689 |
10 |
| Daido Metal Company Ltd. | 247 |
8 |
| Seagate Technology LLC | 3963 |
7 |
| NGK Insulators, Ltd. | 5232 |
7 |
| Other owners | 296 |