Inventor
TSUYAMA KOICHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TSUYAMA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITA INDUSTRIAL CO LTD
15 patentsUS5362593ANov 8, 1994
Electrophotographic toner having improved low temperature fixing properties, off-set resistance and heat resistance
MITA INDUSTRIAL CO LTD13 citations73
US5275904AJan 4, 1994
Start developer and method of controlling toner density
MITA INDUSTRIAL CO LTD6 citations73
US5110704AMay 5, 1992
Toner for developing statically charged images and process for preparation thereof
MITA INDUSTRIAL CO LTD11 citations73
US5077169ADec 31, 1991
Toner composition and a method for preparing the same
MITA INDUSTRIAL CO LTD15 citations73
US5281505AJan 25, 1994
Toner composition
MITA INDUSTRIAL CO LTD12 citations71
US5499083AMar 12, 1996
Developing method using a developing agent conveying sleeve of a small diameter and toner for the developing agent used therefor
MITA INDUSTRIAL CO LTD3 citations62
US5264311ANov 23, 1993
Electrophotographic toner
MITA INDUSTRIAL CO LTD6 citations62
US5212034AMay 18, 1993
Electrophotographic development magnetic resin coated carrier
MITA INDUSTRIAL CO LTD4 citations62
US5119758AJun 9, 1992
Developing process
MITA INDUSTRIAL CO LTD5 citations62
US5376489ADec 27, 1994
Two-component developer
MITA INDUSTRIAL CO LTD3 citations61
US5232807AAug 3, 1993
Electrophotographic developer
MITA INDUSTRIAL CO LTD2 citations61
US5213935AMay 25, 1993
Start developer and method of controlling toner density
MITA INDUSTRIAL CO LTD1 citations52
US5240804AAug 31, 1993
Electrophotographic developer comprising resin coated carrier
MITA INDUSTRIAL CO LTD0 citations51
US5223367AJun 29, 1993
Start developer
MITA INDUSTRIAL CO LTD0 citations51
US5104766AApr 14, 1992
Toner for developing statically charged images and process for preparation thereof
MITA INDUSTRIAL CO LTD1 citations51