Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copper-based metallic member having a chemical conversion film and method for producing same

Copper-based metallic member having a chemical conversion film and method for producing same

US Patent 4788086 · Granted Nov 29, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Statistical acoustic model adaptation method, acoustic model learning method sui2020
Deep neural network learning method and apparatus, and category-independent sub-2017
Electrolytic phosphate chemical treatment method2010
Antenna duplexer and wireless terminal using the same2010
Method for recovering useful components from electrolytic phosphate chemical tre2006
Method of manufacturing liquid crystal display and drying apparatus2005
Radio frequency filter, radio frequency circuit, antenna duplexer and radio term2004
Phosphate chemical treatment method1997
Process for chemical treatment with phosphate1994
Process for the phosphate chemical conversion treatment of a steel material1989
Zinc phosphate chemical conversion film and method for forming the same1988
Method of forming a chemical phosphate coating on the surface of steel1987