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Inventor

Kouji Sugama

Inventor
Musashino, JP

Overview

27→
Patents
2009–2021
Patent span
Physics
Primary field (CPC G)

Patents· 27 as inventor

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

G03Gprimary
G03GElectrography93%
B41MPrinting, duplicating, marking, or copying processes3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
11,117,409Stereoscopic image forming method and stereoscopic image forming apparatus202110,901,333Electrostatic image developing toner202110,564,558Electrostatic charge image developing toner and two-component developer202010,481,513Toner for electrostatic charge development201910,379,452Color image forming process and color toner set201910,353,309Electrostatic image developing toner201910,203,621Image forming method and toner set for developing electrostatic latent image201910,168,631Electrostatic image developing toner and production method of electrostatic image developing toner201910,133,200Electrostatic image developing toner201810,126,668Toner for electrostatic charge image development201810,120,296Electrostatic latent image developing toner20189,996,017Electrostatic latent image developing toner20189,983,491Process for producing a toner20189,933,716Toner for electrostatic charge image development20189,846,379Process for producing a toner20179,715,186'Electrostatic image developing toner'20179,703,220'Image forming method and toner set'20179,568,848'Electrostatic image developing toner'20179,423,712'Toner for electrostatic image development'20169,188,892'Electrostatic latent image developing toner and electrophotographic image forming method'20158,916,323'Toner for electrostatic image development'20148,871,415'Toner for electrostatic image development'20148,859,178'Toner for electrostatic image development'20148,628,901'Toner for electrostatic image developments'20148,298,739'Electrophotographic toner'20127,862,974'Toner for electrophotography'20117,507,516'Toner and method of manufacturing toner'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (5)· patent assignee history
2009–2015Based in Hino, JP· patent location history
2011Based in Hachioji, JP· patent location history
2012–2014Patents assigned to SUGAMA KOUJI (3)· patent assignee history
2012–2019Based in Tokyo, JP· patent location history
2014–2021Patents assigned to KONICA MINOLTA INC (22)· patent assignee history
2014Patents assigned to KAWAMURA TAKAKI (2)· patent assignee history
2014Patents assigned to KONNO HIROYUKI (2)· patent assignee history
2016–2021Based in Musashino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA INC222014–2021
KONICA MINOLTA BUSINESS TECH52009–2014
SUGAMA KOUJIself32012–2014
KAWAMURA TAKAKI22014
KONNO HIROYUKI22014
Locations
LocationPatentsSpan
Musashino, JP162016–2021
Tokyo, JP82012–2019
Hino, JP22009–2015
Hachioji, JP12011