- All sections
- C - Chemistry; metallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/18 - High-melting or refractory metals or alloys based thereon
Patent holdings for IPC class C22F 1/18
Total number of patents in this class: 1168
10-year publication summary
|
84
|
112
|
123
|
86
|
92
|
103
|
59
|
80
|
68
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
72 |
| ATI Properties LLC | 202 |
57 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
49 |
| Titanium Metals Corporation | 80 |
36 |
| JX Nippon Mining & Metals Corporation | 1576 |
28 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
25 |
| The Boeing Company | 19843 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
| ATI Properties, Inc. | 109 |
18 |
| Karsten Manufacturing Corporation | 2912 |
16 |
| Toshiba Materials Co., Ltd. | 600 |
15 |
| Materion Newton Inc. | 66 |
14 |
| Rtx Corporation | 8674 |
13 |
| IHI Corporation | 3268 |
12 |
| Public Stock Company "vsmpo-avisma Corporation" | 25 |
12 |
| National Institute for Materials Science | 1108 |
11 |
| Tokyo Institute of Technology | 1367 |
11 |
| Medtronic, Inc. | 9964 |
10 |
| Safran Aircraft Engines | 5739 |
10 |
| A.L.M.T. Corp. | 209 |
9 |
| Other owners | 707 |