Inventor
KOSAKA YOSHIYUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KOSAKA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKISUI CHEMICAL CO LTD
3 patentsUS5492787AFeb 20, 1996
Resin composition for toners and a toner containing the same
SEIKISUI CHEMICAL CO LTD16 citations72
US5422217AJun 6, 1995
Resin composition for toner, method of preparing the same and toner
SEIKISUI CHEMICAL CO LTD7 citations72
US5262265ANov 16, 1993
Resin composition for toners and a toner containing the same
SEIKISUI CHEMICAL CO LTD17 citations72
SEKISUI CHEMICAL CO LTD
3 patentsUS5849848ADec 15, 1998
Toner resin composition and a method of manufacturing it as well as a toner and a method of manufacturing it
SEKISUI CHEMICAL CO LTD4 citations62
US5658991AAug 19, 1997
Toner resin composition and a method of manufacturing it, as well as a toner and a method of manufacturing it
SEKISUI CHEMICAL CO LTD4 citations62
US9109096B2Aug 18, 2015
Thermally expandable microcapsule and foam-molded article
SEKISUI CHEMICAL CO LTD1 citations51