Inventor

ITABASHI MASAHIKO

JP4 patents

Patents

4 patents

US6133534AOct 17, 2000

Wiring board for electrical tests with bumps having polymeric coating

HITACHI CHEMICAL CO LTD56 citations95

US4895734AJan 23, 1990

Process for forming insulating film used in thin film electroluminescent device

HITACHI CHEMICAL CO LTD66 citations94

US6568073B1May 27, 2003

Process for the fabrication of wiring board for electrical tests

HITACHI CHEMICAL CO LTD37 citations92

US5504992AApr 9, 1996

Fabrication process of wiring board

HITACHI CHEMICAL CO LTD25 citations91