Inventor
IGUCHI SUSUMU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IGUCHI SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
12 patentsUS4733264AMar 22, 1988
Charge-coupled device for automatic focusing and camera shake detector using such charge-coupled device
RICOH KK25 citations92
US5148212ASep 15, 1992
Flash control based on calculated required flash energy
RICOH KK24 citations89
US4763154AAug 9, 1988
Focus detecting device and image signal amplifier circuit therefor
RICOH KK21 citations82
US4460256AJul 17, 1984
Film feeding system of a camera
RICOH KK18 citations79
US4831405AMay 16, 1989
Auto-focus arithmetic device
RICOH KK7 citations73
US4818921AApr 4, 1989
Apparatus for controlling a motor in a camera
RICOH KK7 citations73
US4777505AOct 11, 1988
Automatic focusing control system
RICOH KK12 citations73
US4751545AJun 14, 1988
Battery check circuit of electronic strobe flash unit of camera
RICOH KK15 citations73
US4053831AOct 11, 1977
Waveform analysis system
RICOH KK14 citations73
US5631458AMay 20, 1997
Range finder
RICOH KK16 citations72
US4593988AJun 10, 1986
Focus condition indicating device of an auto-focus system
RICOH KK17 citations69
US4027314AMay 31, 1977
Shutter and low-light indicator actuating device for a camera
RICOH KK4 citations62