LexDanaLexDanabeta
Inventor

Yoshihiro Fukushima

Inventor
Wakayama, JP

Overview

15→
Patents
1981–2013
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G03Gprimary
G03GElectrography67%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C04BLime, magnesia6%
C08LCompositions of macromolecular compounds6%
F16DCouplings for transmitting rotation6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,518,621'Toner for electrostatic image development'20138,101,329'Toner and two-component developer'20127,842,448'Method of forming fixed images'20107,803,509'Crystalline polyester for toner'20107,473,727'Friction material for transmission'20097,250,242'Toner'20077,244,536'Toner'20077,063,926'Toner'20066,946,228'Toner for development of electrostatic latent images'20056,677,096'Positively chargeable toner for two-component development'20046,383,705'Toner for electrophotography'20025,750,304'Encapsulated toner for heat-and-pressure fixing and method for producing the same'19985,258,255'Electrostatic charge image developer composition'19934,977,054'Developer for electrostatic image comprising coated carrier'19904,308,069'Prevention of slump loss in fresh concrete'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2013Patents assigned to KAO CORP (13)· patent assignee history
1981–2013Based in Wakayama, JP· patent location history
1990Patents assigned to NIPPON IRON POWDER CO (1)· patent assignee history
2009Based in Toyama, JP· patent location history
2012–2013Patents assigned to FUKUSHIMA YOSHIHIRO (2)· patent assignee history
2012–2013Patents assigned to YAMAZAKI MASAHITO (2)· patent assignee history
2013Patents assigned to KUNII SATOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP131981–2013
FUKUSHIMA YOSHIHIROself22012–2013
YAMAZAKI MASAHITO22012–2013
KUNII SATOSHI12013
NIPPON IRON POWDER CO11990
Locations
LocationPatentsSpan
Wakayama, JP141981–2013
Toyama, JP12009