Inventor
ISHIKAWA KAZUMASA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
7 patentsUS5884860AMar 23, 1999
Rolled paper feeding apparatus which provides a constant torque for uncurling paper and a torque limiting device therefor
RICOH KK40 citations92
US7505714B2Mar 17, 2009
Image forming device
RICOH KK8 citations83
US4695898ASep 22, 1987
Facsimile machine using cut sheets of paper
RICOH KK20 citations80
US7431422B2Oct 7, 2008
Head cleaner and image forming apparatus
RICOH KK6 citations73
US7712892B2May 11, 2010
Image forming apparatus
RICOH KK2 citations62
US7367667B2May 6, 2008
Image forming apparatus with conveying part arranged to allow drying
RICOH KK2 citations62
US7393080B2Jul 1, 2008
Image forming apparatus
RICOH KK6 citations61
OLYMPUS OPTICAL CO
3 patentsUS5546370AAug 13, 1996
Compact apparatus having bidirectional motion for loading/unloading an information recording medium
OLYMPUS OPTICAL CO54 citations91
US5475671ADec 12, 1995
Optical information detection circuit and detecting photoelectrically converted signal from light receiving means comprising at least two light receiving elements
OLYMPUS OPTICAL CO4 citations61
US4621209ANov 4, 1986
Frequency-independent phase compensation circuit
OLYMPUS OPTICAL CO0 citations40