P

Inventor

KOYAMA MIKIO

JP54 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MIKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KONISHIROKU PHOTO IND

27 patents
US6395442B1May 28, 2002

Toner and production method of the same

KONISHIROKU PHOTO IND55 citations96
US5415964AMay 16, 1995

Pigment-containing polymer particles, method of production thereof

KONISHIROKU PHOTO IND55 citations96
US4430436AFeb 7, 1984

Analytical element and method of use

KONISHIROKU PHOTO IND98 citations96
US4615983AOct 7, 1986

Immunological measuring element

KONISHIROKU PHOTO IND27 citations93
US5863696AJan 26, 1999

Toner particle for electrophotography and production method thereof

KONISHIROKU PHOTO IND36 citations92
US4613567ASep 23, 1986

Immunoassay method for measuring immunological antigen in fluid sample

KONISHIROKU PHOTO IND61 citations92
US4427632AJan 24, 1984

Analytical element

KONISHIROKU PHOTO IND32 citations92
US4193800AMar 18, 1980

Photographic dye mordant

KONISHIROKU PHOTO IND34 citations91
US4732736AMar 22, 1988

Analytical element for the detection hydrogen peroxide

KONISHIROKU PHOTO IND36 citations89
US4557901ADec 10, 1985

Analytical element

KONISHIROKU PHOTO IND36 citations88
US4594224AJun 10, 1986

Analytical element

KONISHIROKU PHOTO IND21 citations82
US4567024AJan 28, 1986

Analytical element

KONISHIROKU PHOTO IND23 citations82
US4551307ANov 5, 1985

Analytical element

KONISHIROKU PHOTO IND22 citations82
US4576793AMar 18, 1986

Analytical element

KONISHIROKU PHOTO IND21 citations80
US4914020AApr 3, 1990

Multi-layer analytical element with preserved enzyme containing spreading layer

KONISHIROKU PHOTO IND20 citations77
US4486537ADec 4, 1984

Analytical element and method of use

KONISHIROKU PHOTO IND16 citations74
US4407938AOct 4, 1983

Photographic element with lactone polymer

KONISHIROKU PHOTO IND7 citations74
US5851713ADec 22, 1998

Toner for developing an electrostatic latent image

KONISHIROKU PHOTO IND11 citations73
US5830617ANov 3, 1998

Toner for developing an electrostatic latent image, Developer and a method of producing an image using the toner

KONISHIROKU PHOTO IND8 citations73
US5702860ADec 30, 1997

Method for producing non-spherical particle

KONISHIROKU PHOTO IND12 citations73
US4594225AJun 10, 1986

Elements for analysis of calcium

KONISHIROKU PHOTO IND13 citations73
US4567136AJan 28, 1986

Analytical element

KONISHIROKU PHOTO IND7 citations73
US5601923AFeb 11, 1997

Mono-dispersed irregular-shaped fine polymer particles

KONISHIROKU PHOTO IND3 citations63
US4304850ADec 8, 1981

Photographic element for color diffusion transfer process

KONISHIROKU PHOTO IND4 citations61
US4234671ANov 18, 1980

Color diffusion transfer dye mordant

KONISHIROKU PHOTO IND6 citations61
US5087421AFeb 11, 1992

Multilayered assay element

KONISHIROKU PHOTO IND4 citations58
US4149891AApr 17, 1979

Diffusion transfer photographic materials comprising polyvinyl ether neutralizing layer

KONISHIROKU PHOTO IND2 citations58

TOSHIBA KK

10 patents

KONICA MINOLTA BUSINESS TECH

9 patents

LUCENT TECHNOLOGIES INC

2 patents

TOKYO SHIBAURA ELECTRIC CO

1 patent

IDEMITSU PETROCHEMICAL CO

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.