CPC Main Group
C22C 45/00 Amorphous alloys (making amorphous non-ferrous alloys C22C1/11)
10 direct subcodes
Child Classifications
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- C22C 45/02 with iron as the major constituent
- C22C 45/04 with nickel or cobalt as the major constituent
- C22C 45/06 with beryllium as the major constituent
- C22C 45/08 with aluminium as the major constituent
- C22C 45/10 with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium as the major constituent
Top Applicants
Top 10 applicants by patent filingsfor class C22, 2013–2023, worldwide · Source: EPO PATSTAT
- JFE STEEL JP 7,620
- NIPPON STEEL CORPORATION JP 5,769
- POSCO (POHANG IRON AND STEEL COMPANY) KR 4,523
- JFE STEEL 3,080
- NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 2,999
- ARCELORMITTAL LU 2,962
- CENTRAL SOUTH UNIVERSITY 2,431
- KOBE STEEL JP 2,100
- CHINESE ACADEMY OF SCIENCES 2,052
- MITSUBISHI MATERIALS CORPORATION JP 1,405