Inventor

Soichiro Kitagawa

Inventor
Kanagawa, JP

Overview

12→
Patents
2008–2020
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

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

G03Gprimary
G03GElectrography63%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
B41JTypewriters6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
G11BInformation storage based on relative movement between record carrier and transducer6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,640,669Carbon black composition for manufacturing particulate magnetic recording medium and method of manufacturing particulate magnetic recording medium202010,266,713Particle dispersion liquid, aqueous ink, ink cartridge, recording apparatus, and recording method20199,329,511'Electrostatic charge image developing toner and toner container'20169,285,696'Electrostatic charge image developing toner, electrostatic charge image developer, and toner container'20169,005,863'Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method'20158,906,588'Electrostatic charge image developing toner, method of manufacturing electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming method'20148,663,890'Electrostatic charge image developing toner and manufacturing method thereof, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method'20148,409,776'Toner for developing electrostatic image, method for preparing toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus'20138,139,982'Image formation apparatus and printed item'20127,713,669'Toner for developing electrostatic images, electrostatic image developer, and image-forming method'20107,642,031'Electrophotographic toner and electrophotographic developer and image forming method'20107,432,031'Toner for electrostatic charge developing, production method thereof, developer for electrostatic charge developing using the same, and image forming method'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2019Patents assigned to FUJI XEROX CO LTD (11)· patent assignee history
2008–2016Based in Kanagawa, JP· patent location history
2010–2020Based in Minami-ashigara, JP· patent location history
2012–2014Patents assigned to KITAGAWA SOICHIRO (3)· patent assignee history
2014Patents assigned to SAKAMOTO SHINYA (1)· patent assignee history
2014Patents assigned to SHINYA TOMOHIRO (1)· patent assignee history
2020Patents assigned to FUJIFILM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI XEROX CO LTD112008–2019
KITAGAWA SOICHIROself32012–2014
FUJIFILM CORP12020
SAKAMOTO SHINYA12014
SHINYA TOMOHIRO12014
Locations
LocationPatentsSpan
Kanagawa, JP82008–2016
Minami-ashigara, JP42010–2020