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Inventor

Yoshimichi Katagiri

Inventor
Kawasaki, JP

Overview

32→
Patents
1987–2008
Patent span
Physics
Primary field (CPC G)

Patents· 32 as inventor

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

G03Gprimary
G03GElectrography91%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
PatentTitleYear
7,439,003'Magnetic black toner for electrophotography having Mn-containing hematite compound and magnetic two-component developer for electrophotography containing the same'20087,316,882'Image forming method'20087,316,879'Imaging color toner, color image forming method and color image forming apparatus'20087,252,914'Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image'20077,254,363'Image-forming process and image-forming apparatus using flash fusing'20077,083,887'Color toner and image forming apparatus using the color toner'20066,963,711'Developing method and developing device for electrophotographic image, and printing device using the developing device'20056,855,468'Color image formation method'20056,852,457'Image fixing method'20056,833,228'Toner and an image formation method'20046,821,696'Toner for optical fixing, manufacturing method therefor and image formation apparatus using it'20046,746,808'Image forming color toner, color image forming method and color image forming apparatus'20046,737,210'Image formation method, electrophotographic toners, and printed matter'20046,727,030'Toner and an image formation method'20046,704,538'Color image forming apparatus and color toner'20046,641,965'COLOR TONER FOR ELECTROPHOTOGRAPHY, AND A COMBINED SET OF COLOR TONERS FOR ELECTROPHOTOGRAPHY USING THE SAME, COLOR DEVELOPING AGENT FOR ELECTROPHOTOGRAPHY USING THE SAME, METHOD FOR FORMING COLOR IMAGES USING THE SAME, AND DEVICE FOR FORMING COLOR IMAGES USING THE SAME'20036,593,050'Flash fixing color toner'20036,544,707'Two component developing agent and an image forming apparatus by use of the same'20036,528,221'Flash fixing toner and fabrication method therefor'20036,468,705'Optical fixing toner'20026,432,589'Image formation method, electrophotographic toners, and printed matter'20026,416,914'Image formation process and developer used therein'20026,360,068'Electrophotographic image formation process and apparatus'20025,986,017'Toner binder for flash fixing, toner, electrostatic photographic printing method and apparatus therefor'19995,618,648'Toner binder, toner, electrophotographic method and apparatus therefor'19975,589,313'Method for nonmagnetic monocomponent development'19965,582,950'Process for producing flash fusing color toner'19965,518,851'Toner'19965,432,035'Flash fixing color toner and process for producing the same'19955,389,485'Toner'19954,849,317'Magnetic brush developer for electrophotography'19894,699,863'Electrophotographic flash fixation process employing toner having improved light absorption properties and toner therefor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2005Patents assigned to FUJITSU LTD (17)· patent assignee history
1987–1996Based in Chigasaki, JP· patent location history
1995–2008Based in Kawasaki, JP· patent location history
1997Patents assigned to NIPPON CARBIDE KOGYO KK (1)· patent assignee history
1999Patents assigned to HARIMA CHEMICALS INC (1)· patent assignee history
2002–2005Patents assigned to RICOH KK (5)· patent assignee history
2002–2006Based in Kanagawa, JP· patent location history
2003–2008Patents assigned to FUJI XEROX CO LTD (15)· patent assignee history
2007–2008Based in Ebina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD171987–2005
FUJI XEROX CO LTD152003–2008
RICOH KK52002–2005
HARIMA CHEMICALS INC11999
NIPPON CARBIDE KOGYO KK11997
Locations
LocationPatentsSpan
Kawasaki, JP231995–2008
Chigasaki, JP41987–1996
Kanagawa, JP32002–2006
Ebina, JP22007–2008