Inventor
ARAI KUNIO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “ARAI KUNIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI SEIKO KK
14 patentsUS5888036AMar 30, 1999
Drill bit and step feeding method
HITACHI SEIKO KK60 citations96
US5315072AMay 24, 1994
Printed wiring board having blind holes
HITACHI SEIKO KK61 citations96
US5010232AApr 23, 1991
Method of and apparatus for perforating printed circuit board
HITACHI SEIKO KK70 citations96
US4915550AApr 10, 1990
Pressure foot of printed circuit board drilling apparatus
HITACHI SEIKO KK59 citations96
US5108236AApr 28, 1992
Low mass spindle and z-axis unit
HITACHI SEIKO KK29 citations93
US5078558AJan 7, 1992
Low mass spindle and Z-axis unit
HITACHI SEIKO KK38 citations93
US5332341AJul 26, 1994
Pressure foot of printed circuit board drilling apparatus
HITACHI SEIKO KK46 citations92
US5087156AFeb 11, 1992
Printed circuit board boring machine
HITACHI SEIKO KK45 citations92
US4872787AOct 10, 1989
Method of drilling printed circuit board
HITACHI SEIKO KK33 citations91
US5199830AApr 6, 1993
Printed circuit board presser device in drilling machine
HITACHI SEIKO KK33 citations90
US5024562AJun 18, 1991
Pressure foot for printed circuit board drilling machine
HITACHI SEIKO KK53 citations87
US5066171ANov 19, 1991
Method for drilling a printed circuit board
HITACHI SEIKO KK15 citations81
US5756378AMay 26, 1998
Method of and apparatus for laser processing
HITACHI SEIKO KK9 citations74
US4997319AMar 5, 1991
Apparatus for drilling a hole in a printed circuit board
HITACHI SEIKO KK10 citations72
HITACHI VIA MECHANICS LTD
9 patentsUS6849824B2Feb 1, 2005
Multibeam laser drilling apparatus
HITACHI VIA MECHANICS LTD100 citations98
US6479788B1Nov 12, 2002
Method and apparatus of making a hole in a printed circuit board
HITACHI VIA MECHANICS LTD79 citations98
US6521866B1Feb 18, 2003
Laser beam machining and laser beam machine
HITACHI VIA MECHANICS LTD95 citations94
US6043453AMar 28, 2000
Apparatus for laser processing with a mechanical cutter
HITACHI VIA MECHANICS LTD41 citations93
US7205501B2Apr 17, 2007
Laser machining method and laser machining apparatus
HITACHI VIA MECHANICS LTD19 citations92
US7531767B2May 12, 2009
Method and apparatus for laser perforating printed circuit board
HITACHI VIA MECHANICS LTD17 citations90
US6531677B2Mar 11, 2003
Method and apparatus for drilling printed wiring boards
HITACHI VIA MECHANICS LTD30 citations89
US7666320B2Feb 23, 2010
Manufacturing method of printed wiring board as well as copper-clad laminate and treatment solutions used therefor
HITACHI VIA MECHANICS LTD11 citations83
US7923659B2Apr 12, 2011
Laser machining method and laser machining apparatus
HITACHI VIA MECHANICS LTD1 citations49
NISSAN CHEMICAL IND LTD
3 patentsUS5635154AJun 3, 1997
Process for producing fine metal oxide particles
NISSAN CHEMICAL IND LTD72 citations95
US5480630AJan 2, 1996
Process for producing fine metal oxide particles
NISSAN CHEMICAL IND LTD32 citations92
US5433878AJul 18, 1995
Method for producing fine particles of barium ferrite
NISSAN CHEMICAL IND LTD34 citations89
ARAI KUNIO
3 patentsUS8075788B2Dec 13, 2011
Fabrication method of printed circuit board and printed circuit board machining apparatus
ARAI KUNIO8 citations82
US8278594B2Oct 2, 2012
Method and apparatus for perforating printed circuit board
ARAI KUNIO0 citations47
US8319147B2Nov 27, 2012
Laser machining method and laser machining apparatus
ARAI KUNIO0 citations40