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 patentsUS6395442B1May 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 patentsUS5610547AMar 11, 1997
Logarithmic transformation circuitry for use in semiconductor integrated circuit devices
TOSHIBA KK53 citations96
US5384501AJan 24, 1995
Integration circuit including a differential amplifier having a variable transconductance
TOSHIBA KK95 citations96
US5465070ANov 7, 1995
Logarithmic transformation circuitry for use in semiconductor integrated circuit devices
TOSHIBA KK33 citations93
US5227681AJul 13, 1993
Integration circuit
TOSHIBA KK30 citations93
US5006818AApr 9, 1991
Linear differential amplifier
TOSHIBA KK45 citations93
US5081423AJan 14, 1992
Integrator and active filter including integrator with simple phase compensation
TOSHIBA KK17 citations74
US4884036ANov 28, 1989
Band-pass filter
TOSHIBA KK10 citations74
US4709408ANov 24, 1987
Phased lock loop synchronous detecting system with an automatic frequency tuning circuit
TOSHIBA KK7 citations72
USRE36861ESep 12, 2000
Linear differential amplifier
TOSHIBA KK3 citations63
US5525924AJun 11, 1996
Log conversion circuit
TOSHIBA KK3 citations63
KONICA MINOLTA BUSINESS TECH
9 patentsUS7807327B2Oct 5, 2010
Method for producing electrophotographic toner
KONICA MINOLTA BUSINESS TECH7 citations74
US7491481B2Feb 17, 2009
Method of manufacturing toner, toner, and image forming method
KONICA MINOLTA BUSINESS TECH2 citations63
US7470496B2Dec 30, 2008
Electrostatic image developing toner
KONICA MINOLTA BUSINESS TECH2 citations62
US7682769B2Mar 23, 2010
Method of manufacturing toner, toner, and image forming method
KONICA MINOLTA BUSINESS TECH0 citations52
US7682767B2Mar 23, 2010
Method of manufacturing toner, toner, and image forming method
KONICA MINOLTA BUSINESS TECH0 citations52
US7642030B2Jan 5, 2010
Toner, manufacturing method thereof and image forming method
KONICA MINOLTA BUSINESS TECH1 citations52
US7563554B2Jul 21, 2009
Electrophotographic toner
KONICA MINOLTA BUSINESS TECH0 citations52
US7524601B2Apr 28, 2009
Toner and method of manufacturing the toner
KONICA MINOLTA BUSINESS TECH0 citations52
US7445878B2Nov 4, 2008
Electrostatic charge image developing toner
KONICA MINOLTA BUSINESS TECH0 citations51
LUCENT TECHNOLOGIES INC
2 patentsTOKYO SHIBAURA ELECTRIC CO
1 patentIDEMITSU PETROCHEMICAL CO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.