Inventor
MATSUDA TSUTOMU
18 patents
⚠️ This page may combine multiple inventors who share the name “MATSUDA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
13 patentsUS4497887AFeb 5, 1985
Thermal development type diazo copying material with hydrophobic resin encapsulated coupler particle
RICOH KK8 citations73
US4400456AAug 23, 1983
Thermo-developable type diazo copying material
RICOH KK14 citations73
US5089359AFeb 18, 1992
Organic secondary battery
RICOH KK8 citations72
US4935319AJun 19, 1990
Organic secondary battery
RICOH KK10 citations72
US7152968B2Dec 26, 2006
Image formation method
RICOH KK3 citations63
US7368007B2May 6, 2008
Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article
RICOH KK6 citations62
US4486527ADec 4, 1984
Thermo-developable type diazo copying material with 2-naphthol coupler having long aliphatic chain amide substitution
RICOH KK3 citations62
US4304831ADec 8, 1981
Black-color forming two-component type diazo copying material
RICOH KK2 citations62
US4155762AMay 22, 1979
Liquid developer for binary diazo copying materials
RICOH KK3 citations60
US4119465AOct 10, 1978
Diazo copying material for secondary original
RICOH KK3 citations60
US4225662ASep 30, 1980
Diazo copying material
RICOH KK1 citations52
US4416967ANov 22, 1983
Diazo copying element
RICOH KK1 citations45
US4467024AAug 21, 1984
Process for the production of thermo-developable type diazo copying material
RICOH KK0 citations41