CPC Main Group Additional Only
B32B 2311/00 Metals, their alloys or their compounds
11 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B32B 2311/005 Shape memory alloys
- B32B 2311/02 Noble metals
- B32B 2311/10 Mercury
- B32B 2311/12 Copper
- B32B 2311/14 Lead
- B32B 2311/16 Tin
- B32B 2311/18 Titanium
- B32B 2311/20 Zinc
- B32B 2311/22 Nickel or cobalt
- B32B 2311/24 Aluminium
- B32B 2311/30 Iron, e.g. steel
Top Applicants
Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT
- NITTO DENKO CORPORATION JP 5,666
- SAINT-GOBAIN GLASS FR 4,491
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 3,703
- DOW GLOBAL TECHNOLOGIES US 3,403
- NITTO DENKO CORPORATION 3,009
- FUJIFILM JP 2,629
- CORNING US 2,623
- LG CHEM KR 2,576
- SEKISUI CHEMICAL COMPANY JP 2,482
- TORAY INDUSTRIES JP 2,189