Inventor
MINAKAWA SADAO
JP7 patents
Patents
7 patentsUS5041727AAug 20, 1991
Spectrophotometer with near infrared radiation sensor having an improved sensitivity
HITACHI LTD23 citations91
USD323437SJan 28, 1992
Control table for spectro photometer
HITACHI LTD27 citations90
US4810872AMar 7, 1989
Optical property measuring device
HITACHI LTD13 citations69
US4981357AJan 1, 1991
Spectrophotometer having functions of both a double-monochromater and a single-monochromater
HITACHI LTD2 citations60
US4810089AMar 7, 1989
Photoelastic effect measuring device
HITACHI LTD6 citations60
US5276499AJan 4, 1994
Spectrophotometer
HITACHI LTD1 citations50
USD325176SApr 7, 1992
Spectro photometer
HITACHI LTD1 citations50