Inventor

Masaru Nagai

Inventor
Hachioji, JP

Overview

15→
Patents
1985–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus18%
H10KOrganic electric solid-state devices18%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
B41JTypewriters9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
H05BElectric heating6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1993Patents assigned to KONISHIROKU PHOTO IND (5)· patent assignee history
1985–2008Based in Hachioji, JP· patent location history
2001Based in Tokyo, JP· patent location history
2005–2008Patents assigned to KONICA MINOLTA HOLDINGS INC (3)· patent assignee history
2005–2006Based in Iruma, JP· patent location history
2013–2014Patents assigned to NAGAI MASARU (5)· patent assignee history
2013–2014Patents assigned to SHARP KK (5)· patent assignee history
2013Patents assigned to LI CHONG (2)· patent assignee history
2013–2014Based in Nagano, JP· patent location history
2014Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND51985–1993
NAGAI MASARUself52013–2014
SHARP KK52013–2014
KONICA MINOLTA HOLDINGS INC32005–2008
LI CHONG22013
Locations
LocationPatentsSpan
Hachioji, JP61985–2008
Nagano, JP52013–2014
Iruma, JP22005–2006
Kawasaki, JP12014
Tokyo, JP12001