Inventor
NISHIKAWA KEIICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
9 patentsUS6016959AJan 25, 2000
Card drive apparatus and card
MITSUBISHI ELECTRIC CORP30 citations91
US5942744AAug 24, 1999
Card drive apparatus and card
MITSUBISHI ELECTRIC CORP35 citations91
US5153788AOct 6, 1992
Method of recording and detecting servo information for positioning magnetic head
MITSUBISHI ELECTRIC CORP30 citations90
US5616994AApr 1, 1997
Drive circuit for brushless motor
MITSUBISHI ELECTRIC CORP26 citations87
US5870248AFeb 9, 1999
Frame for flexible disk drive unit having distortion prevention hole and 2 ribs formed around motor attaching hole
MITSUBISHI ELECTRIC CORP18 citations81
US5996111ANov 30, 1999
Identification sequence issuing device and identification sequence verification device
MITSUBISHI ELECTRIC CORP7 citations73
US4757395AJul 12, 1988
Waveform equalizing circuit
MITSUBISHI ELECTRIC CORP9 citations72
US5327299AJul 5, 1994
Method of encoding position information
MITSUBISHI ELECTRIC CORP6 citations61
US5204788AApr 20, 1993
Digital magnetic recording and reproducing circuit for suppressing generation of asymmetry
MITSUBISHI ELECTRIC CORP2 citations53
CKD CORP
4 patentsUS11566723B2Jan 31, 2023
Flow path switching valve and manufacturing method therefor
CKD CORP0 citations60
US10907748B2Feb 2, 2021
Flow path switching valve and manufacturing method therefor
CKD CORP0 citations60
US11965607B2Apr 23, 2024
Butterfly valve
CKD CORP0 citations51
US11125342B2Sep 21, 2021
Spool valve
CKD CORP0 citations50