Inventor
NAGASAWA KATSUHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NAGASAWA KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI VIA MECHANICS LTD
10 patentsUS7476065B2Jan 13, 2009
Printed board drilling method and printed board machining apparatus
HITACHI VIA MECHANICS LTD8 citations83
US7637702B2Dec 29, 2009
Drilling method
HITACHI VIA MECHANICS LTD11 citations82
US7249485B2Jul 31, 2007
Substrate processing apparatus
HITACHI VIA MECHANICS LTD8 citations73
US7488676B2Feb 10, 2009
Manufacturing method of a multi-layered circuit board
HITACHI VIA MECHANICS LTD7 citations72
US6623219B2Sep 23, 2003
Printed board processing machine
HITACHI VIA MECHANICS LTD11 citations72
US6217265B1Apr 17, 2001
Printed circuit board drilling machine and its maintenance method
HITACHI VIA MECHANICS LTD11 citations72
US7130715B2Oct 31, 2006
Machining method and machining apparatus
HITACHI VIA MECHANICS LTD2 citations61
US7959385B2Jun 14, 2011
Printed circuit board machining apparatus
HITACHI VIA MECHANICS LTD2 citations60
US8356961B2Jan 22, 2013
Machining apparatus and machining method
HITACHI VIA MECHANICS LTD2 citations59
US7507058B2Mar 24, 2009
Tool positioning device and machining tool
HITACHI VIA MECHANICS LTD0 citations38