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Inventor

Toyoko Shibata

Inventor
Zama, JP

Overview

31→
Patents
1990–2020
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography77%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B41JTypewriters3%
B41MPrinting, duplicating, marking, or copying processes3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
H05BElectric heating3%
PatentTitleYear
10,754,287Image post-processing method, image post-processing apparatus and image forming apparatus202010,712,682Toner and image forming method202010,705,474Image post-processing method and apparatus for emitting a glossiness control light, and image forming apparatus202010,663,902Gloss reduction in image post-processing method, image post-processing apparatus, and image forming apparatus202010,551,760Image recording composition, electrostatic image developing toner, and image forming method202010,481,528Image forming method, image forming apparatus, and toner image fixing apparatus201910,394,144Electrophotographic photosensitive body and image forming apparatus201910,197,929Photoconductor and method for producing the same20199,964,871Electrophotographic photoreceptor20189,541,848'Electrophotographic photoreceptor'20179,304,417'Electrophotographic photoreceptor, electrophotographic image forming apparatus and process cartridge'20168,450,034'Electrophotographic photoreceptor, image forming method and image forming apparatus'20138,158,314'Organic photoreceptor and image forming apparatus'20128,129,083'Electrophotographic photoreceptor and image forming apparatus'20128,034,519'Electrophotographic photoreceptor and image formation method'20117,241,543'Image forming method, a photoreceptor used for the apparatus, and an image forming unit'20077,238,457'Electrophotographic photoreceptor'20077,175,954'Electrophotographic photoreceptor'20077,074,539'Organic photoreceptor and image forming method'20066,919,155'Organic photoreceptor and image forming method'20056,406,825'Electrophotographic photoreceptor'20026,143,452'Electrophotographic photoreceptor'20006,099,998'Electrophotographic photoreceptor and a production method of the same'20006,027,845'Electrophotography photosensitive element'20005,942,359'Electrophotoreceptor'19995,849,444'Electrophotographic photoreceptor with aliphatic amine containing electron transporting layer'19985,718,997'Electrophotographic photoreceptor'19985,565,288'Electrophotographic photoreceptor'19965,443,922'Organic thin film electroluminescence element'19955,162,181'Electrophotographic photoreceptor having a bisazo photoreceptive layer'19924,939,058'Bisazo photo-receptor for electrophotography'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2005Patents assigned to KONISHIROKU PHOTO IND (12)· patent assignee history
1990–2019Based in Zama, JP· patent location history
1995–2002Based in Hino, JP· patent location history
2000–2020Based in Tokyo, JP· patent location history
2007–2013Patents assigned to KONICA MINOLTA BUSINESS TECH (6)· patent assignee history
2011–2019Based in Kanagawa, JP· patent location history
2012–2013Patents assigned to HAMAGUCHI SHINICHI (3)· patent assignee history
2012–2013Patents assigned to SHIBATA TOYOKO (3)· patent assignee history
2016–2020Patents assigned to KONICA MINOLTA INC (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND121990–2005
KONICA MINOLTA INC112016–2020
KONICA MINOLTA BUSINESS TECH62007–2013
HAMAGUCHI SHINICHI32012–2013
SHIBATA TOYOKOself32012–2013
Locations
LocationPatentsSpan
Zama, JP101990–2019
Tokyo, JP92000–2020
Hino, JP81995–2002
Kanagawa, JP42011–2019