Inventor
NISHIWAKI TOSHIHIRO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NISHIWAKI TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OBARA CORP
11 patentsUS5628923AMay 13, 1997
Robot welding gun unit
OBARA CORP23 citations92
US5436422AJul 25, 1995
Resistance welding control method
OBARA CORP29 citations92
US4917619AApr 17, 1990
Tool changer for welding robot
OBARA CORP34 citations92
US4733042AMar 22, 1988
Welding control apparatus including a pressure regulating valve operated in accord with predetermined schedule of variations of a welding force control variable
OBARA CORP27 citations90
US4739149AApr 19, 1988
Current sensor for welder conductor
OBARA CORP23 citations82
US4762446AAug 9, 1988
Cutter of tip dresser for welding apparatus
OBARA CORP21 citations81
US5091623AFeb 25, 1992
Welding gun provided with a backup cylinder
OBARA CORP8 citations73
US5010228AApr 23, 1991
Tool changer for welding robot
OBARA CORP18 citations73
US4727775AMar 1, 1988
Dressing device for tip of welding gun
OBARA CORP10 citations73
US5333975AAug 2, 1994
Method of and apparatus for dressing tips for welding machines
OBARA CORP6 citations62
US5111018AMay 5, 1992
Connection member in a welding gun for robot
OBARA CORP4 citations61