Inventor
ICHIKAWA WATARU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
S G KK
12 patentsUS4951048AAug 21, 1990
Absolute linear position detection device
S G KK50 citations95
US4764767AAug 16, 1988
Absolute rotational position detection device
S G KK127 citations95
US4743786AMay 10, 1988
Rotational position detection device
S G KK61 citations95
US4717874AJan 5, 1988
Reluctance type linear position detection device
S G KK109 citations95
US4879555ANov 7, 1989
Absolute linear position detection device
S G KK39 citations92
US5252902AOct 12, 1993
Servo control system
S G KK51 citations91
US5412172AMay 2, 1995
Spot welding machine
S G KK42 citations90
US5194709AMar 16, 1993
Method for checking a spot welded portion and spot welding machine
S G KK49 citations85
US5349293ASep 20, 1994
Conductive rotational position detection device having stator and rotor
S G KK16 citations73
US5006798AApr 9, 1991
Position detection using reluctance changes induced by displacement of metallic balls
S G KK10 citations73
US4695235ASep 22, 1987
Bag-cylinder control device in a tire vulcanizer
S G KK8 citations71
US5277101AJan 11, 1994
Rodless cylinder apparatus
S G KK6 citations57