- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Patent holdings for IPC class C22F 1/08
Total number of patents in this class: 1606
10-year publication summary
|
105
|
98
|
97
|
101
|
78
|
67
|
88
|
66
|
65
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Materials Corporation | 2479 |
220 |
| The Furukawa Electric Co., Ltd. | 3695 |
141 |
| JX Nippon Mining & Metals Corporation | 1458 |
140 |
| Mitsubishi Shindoh Co., Ltd. | 121 |
94 |
| Sumitomo Electric Industries, Ltd. | 16448 |
46 |
| Dowa Metaltech Co., Ltd. | 174 |
43 |
| NGK Insulators, Ltd. | 5200 |
39 |
| Wieland-Werke AG | 358 |
36 |
| Sumitomo Wiring Systems, Ltd. | 11117 |
34 |
| AutoNetworks Technologies, Ltd. | 7192 |
32 |
| Materion Corporation | 323 |
32 |
| Poongsan Corporation | 64 |
26 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
25 |
| Hitachi Metals, Ltd. | 1826 |
20 |
| Tohoku University | 3007 |
20 |
| JX Advanced Metals Corporation | 217 |
16 |
| Nippon Mining & Metals Co., Ltd. | 86 |
12 |
| Furukawa Automotive Systems Inc. | 606 |
11 |
| Furukawa Techno Material Co., Ltd. | 30 |
11 |
| Ningbo Powerway Alloy Material Co., Ltd. | 29 |
11 |
| Other owners | 597 |