Inventor
SHOJI MICHIHIRO
JP16 patents
Patents
16 patentsUS5293156AMar 8, 1994
Hand tool driven by DC battery with multiple level battery condition indicator
NITTO KOHKI CO68 citations96
US5096339AMar 17, 1992
Electromagnetic base drill with antifloating control means
NITTO KOHKI CO52 citations96
US6072675AJun 6, 2000
Control device for boring machine
NITTO KOHKI CO35 citations92
US5087157AFeb 11, 1992
Electromagnetic base drill with intermittent feed
NITTO KOHKI CO23 citations92
US5035549AJul 30, 1991
Boring apparatus
NITTO KOHKI CO32 citations92
US5035547AJul 30, 1991
Magnet base drill unit
NITTO KOHKI CO35 citations92
US5007776AApr 16, 1991
Controller for boring apparatus
NITTO KOHKI CO51 citations92
US4780654AOct 25, 1988
Control apparatus for drilling machine
NITTO KOHKI CO39 citations92
US4767245AAug 30, 1988
Annular hole cutter
NITTO KOHKI CO37 citations92
US4559577ADec 17, 1985
Drilling machine
NITTO KOHKI CO56 citations92
US4789274ADec 6, 1988
Boring apparatus
NITTO KOHKI CO12 citations74
US5992536ANov 30, 1999
Hydraulic drive tool controlling apparatus
NITTO KOHKI CO10 citations73
US5233887AAug 10, 1993
Quick return mechanism for a drilling machine
NITTO KOHKI CO3 citations63
US4824299AApr 25, 1989
Chip breaking device for annular cutters
NITTO KOHKI CO6 citations63
US6109161AAug 29, 2000
Hydraulic driven tool controlling apparatus
NITTO KOHKI CO3 citations62
US6053258AApr 25, 2000
Hydraulic driven tool controlling apparatus
NITTO KOHKI CO2 citations62