Inventor · Ibigawa, JP

Honchin En

18Patents
9h-index
13Co-inventors
65Inventor score

Filing activity: Sep 14, 1999 → Apr 8, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7691189B2 Printed wiring board and its manufacturing method Emerging Cross-Sectional Technologies 40 Active
US6242079A Printed wiring board and method for manufacturing the same Emerging Cross-Sectional Technologies 31 Expired
US7535095B1 Printed wiring board and method for producing the same Emerging Cross-Sectional Technologies 31 Expired
US7230188B1 Printed wiring board and its manufacturing method Emerging Cross-Sectional Technologies 25 Expired
US8065794B2 Printed wiring board and its manufacturing method Emerging Cross-Sectional Technologies 20 Active
US7993510B2 Electroplating solution, method for manufacturing multilayer printed circuit board using the same solution, and multilayer printed circuit board Emerging Cross-Sectional Technologies 18 Active
US7504719B2 Printed wiring board having a roughened surface formed on a metal layer, and method for producing the same Emerging Cross-Sectional Technologies 15 Expired
US8018045B2 Printed circuit board Emerging Cross-Sectional Technologies 11 Active
US8020291B2 Method of manufacturing a printed wiring board Emerging Cross-Sectional Technologies 9 Active
US7446263B2 Multilayer printed circuit board Emerging Cross-Sectional Technologies 8 Expired
US7827680B2 Electroplating process of electroplating an elecrically conductive sustrate Emerging Cross-Sectional Technologies 5 Active
US7514637B1 Electroplating solution, method for fabricating multilayer printed wiring board using the solution, and multilayer printed wiring board Emerging Cross-Sectional Technologies 5 Expired
US7812262B2 Multilayer printed circuit board Emerging Cross-Sectional Technologies 5 Active
US8006377B2 Method for producing a printed wiring board Emerging Cross-Sectional Technologies 4 Active
US7994433B2 Printed wiring board and method for producing the same Emerging Cross-Sectional Technologies 4 Active
US8030577B2 Printed wiring board and method for producing the same Emerging Cross-Sectional Technologies 4 Active
US8093507B2 Printed wiring board and method for producing the same Emerging Cross-Sectional Technologies 2 Active
US8533943B2 Printed wiring board and method for producing the same Emerging Cross-Sectional Technologies 2 Active

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