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Inventor

KAWAGISHI YOJI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “KAWAGISHI YOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ORIENT CHEMICAL IND

6 patents
US4656112AApr 7, 1987

Toner for developing electrostatic latent images

ORIENT CHEMICAL IND66 citations91
US4404271ASep 13, 1983

Metal complexes for use in developers for electrostatic images, charge control function

ORIENT CHEMICAL IND36 citations90
US4403027ASep 6, 1983

Toner complexes for developing electrostatic images

ORIENT CHEMICAL IND19 citations80
US4826749AMay 2, 1989

Toner for developing electrostatic latent images

ORIENT CHEMICAL IND11 citations71
US4407924AOct 4, 1983

Toner complexes for developing electrostatic images

ORIENT CHEMICAL IND10 citations71
US4931588AJun 5, 1990

Compounds usable in a toner for developing electrostatic latent images

ORIENT CHEMICAL IND3 citations60

CANON KK

1 patent
US4673631AJun 16, 1987

Toner, charge-imparting material and composition containing metal complex

CANON KK28 citations92

NIPPON SYNTHETIC CHEM IND

1 patent
US4568624AFeb 4, 1986

Toner composition having a dye composition

NIPPON SYNTHETIC CHEM IND3 citations58

NIPPON GOSEI KAGAKO KOGYO KK

1 patent
US4656113AApr 7, 1987

Dye composition and use thereof

NIPPON GOSEI KAGAKO KOGYO KK3 citations53