Inventor
MAEHATA HIDEHIKO
JP23 patents
Patents
23 patentsUS6365857B1Apr 2, 2002
Plastics sorting apparatus
HITACHI SHIPBUILDING ENG CO65 citations95
US6903294B1Jun 7, 2005
Apparatus for separating plastic chips
HITACHI SHIPBUILDING ENG CO27 citations92
US6283555B1Sep 4, 2001
Plasma blasting with coaxial electrodes
HITACHI SHIPBUILDING ENG CO24 citations92
US6145934ANov 14, 2000
Discharge destroying method, discharge destroying device and method of manufacturing the same
HITACHI SHIPBUILDING ENG CO35 citations92
US6720514B1Apr 13, 2004
Plastic sorter
HITACHI SHIPBUILDING ENG CO18 citations84
US6467628B1Oct 22, 2002
Plastic chip separator
HITACHI SHIPBUILDING ENG CO15 citations83
US4294673AOct 13, 1981
Method of mirror-finishing a cylindrical workpiece
HITACHI SHIPBUILDING ENG CO17 citations81
US6426474B1Jul 30, 2002
Method and apparatus for separating plastic
HITACHI SHIPBUILDING ENG CO11 citations73
US6415929B1Jul 9, 2002
Method of separating plastic
HITACHI SHIPBUILDING ENG CO11 citations73
US6318268B1Nov 20, 2001
Demolishing apparatus using discharge impulse
HITACHI SHIPBUILDING ENG CO7 citations73
US6271492B1Aug 7, 2001
Frictional charging device
HITACHI SHIPBUILDING ENG CO14 citations73
US4421624ADec 20, 1983
Apparatus for continuously processing a band-shape material
HITACHI SHIPBUILDING ENG CO10 citations71
US5078542AJan 7, 1992
Apparatus to prevent the entrance of aquatic species into the intake watercourse
HITACHI SHIPBUILDING ENG CO8 citations70
US6357390B1Mar 19, 2002
Electric screen device
HITACHI SHIPBUILDING ENG CO8 citations69
US6389973B1May 21, 2002
Blasting apparatus and blasting method
HITACHI SHIPBUILDING ENG CO4 citations62
US6298785B1Oct 9, 2001
Blasting apparatus
HITACHI SHIPBUILDING ENG CO3 citations62
US4328083AMay 4, 1982
Apparatus for mirror-finishing a cylindrical
HITACHI SHIPBUILDING ENG CO4 citations61
US6774332B2Aug 10, 2004
Composite separator
HITACHI SHIPBUILDING ENG CO5 citations60
US4469572ASep 4, 1984
Method of continuously processing a band-shape material
HITACHI SHIPBUILDING ENG CO3 citations60
US6408761B1Jun 25, 2002
Blasting apparatus
HITACHI SHIPBUILDING ENG CO5 citations57
US6431074B2Aug 13, 2002
Blasting apparatus, blasting method and retainer member used for the blasting method
HITACHI SHIPBUILDING ENG CO0 citations52
US6279477B1Aug 28, 2001
Destroying apparatus and method, and holding member for use in that method
HITACHI SHIPBUILDING ENG CO1 citations52
US7544283B2Jun 9, 2009
Method and apparatus for removing thin metal films
HITACHI SHIPBUILDING ENG CO0 citations39