- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
Patent holdings for IPC class C22F 1/00
Total number of patents in this class: 3510
10-year publication summary
|
211
|
224
|
193
|
192
|
140
|
151
|
190
|
167
|
174
|
142
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 743 |
210 |
| The Furukawa Electric Co., Ltd. | 3729 |
201 |
| Mitsubishi Materials Corporation | 2484 |
183 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2842 |
143 |
| JX Nippon Mining & Metals Corporation | 1451 |
132 |
| Sumitomo Electric Industries, Ltd. | 16447 |
121 |
| Nippon Steel Corporation | 7118 |
108 |
| Mitsubishi Shindoh Co., Ltd. | 121 |
76 |
| Nippon Steel & Sumitomo Metal Corporation | 1980 |
67 |
| Nippon Light Metal Company, Ltd. | 697 |
60 |
| Hitachi Metals, Ltd. | 1812 |
57 |
| Sumitomo Wiring Systems, Ltd. | 11278 |
53 |
| AutoNetworks Technologies, Ltd. | 7333 |
52 |
| National Institute for Materials Science | 1096 |
42 |
| Tohoku University | 3059 |
41 |
| Tanaka Kikinzoku Kogyo K.K. | 573 |
40 |
| Furukawa Automotive Systems Inc. | 612 |
33 |
| Novelis Inc. | 794 |
32 |
| Nippon Micrometal Corporation | 155 |
28 |
| Nippon Steel Chemical & Material Co., Ltd. | 754 |
25 |
| Other owners | 1806 |