Inventor · Erkrath, DE

Michael Heyer

2Patents
1h-index
6Co-inventors
30Inventor score

Filing activity: Feb 24, 1998 → Jan 25, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6500410B1 Sun protection agents Human Necessities 2 Expired
US6248313A Hair cosmetic preparations containing cationic biopolymers Human Necessities 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.