Inventor
ISHIMA KAZUMI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “ISHIMA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS4595948AJun 17, 1986
Multicolor ink jet recording apparatus having means for preventing blurring of ink
RICOH KK84 citations95
US4642653AFeb 10, 1987
Multi-tone recording method for ink jet printer
RICOH KK32 citations92
US4604631AAug 5, 1986
Control system and method for charge control ink jet printer
RICOH KK47 citations92
US4598299AJul 1, 1986
Deflection control ink jet printing apparatus
RICOH KK32 citations92
US4467183AAug 21, 1984
Liquid temperature control apparatus comprising initial temperature dependent high power heater drive
RICOH KK32 citations92
US4459469AJul 10, 1984
Ink temperature control apparatus for ink jet printing apparatus
RICOH KK46 citations92
US4590362AMay 20, 1986
Drive circuit for temperature control heater in ink jet printer
RICOH KK24 citations82
US5115327AMay 19, 1992
Gain control circuit for use in shading compensation circuit
RICOH KK17 citations73
US4989100AJan 29, 1991
Image reader for an image recording apparatus
RICOH KK13 citations73
US4564749AJan 14, 1986
Heater drive circuit for controlling ink temperature in ink jet printer
RICOH KK18 citations73
US4494178AJan 15, 1985
Power supply circuit
RICOH KK13 citations73
US4165514AAug 21, 1979
Electrostatic recording multi-stylus electrode device
RICOH KK8 citations73
US4158848AJun 19, 1979
Electrostatic recording multi-stylus electrode device
RICOH KK14 citations73
US6118468ASep 12, 2000
Image recording apparatus
RICOH KK13 citations68
US7432946B2Oct 7, 2008
Image forming apparatus
RICOH KK3 citations63
US7484827B2Feb 3, 2009
Image forming method and apparatus, and a recording medium storing a program for performing an image forming method
RICOH KK4 citations62
US5101281AMar 31, 1992
Automatic gain control circuit of image reading apparatus
RICOH KK2 citations62
US4555713ANov 26, 1985
Power source device for ink jet printer
RICOH KK4 citations62