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Inventor

Hiroyuki Nagatani

Inventor
Tokyo, JP

Overview

13→
Patents
1990–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Jprimary
C08JWorking-up15%
C08LCompositions of macromolecular compounds15%
D21HPulp compositions11%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
B60CVehicle tyres4%
C08BPolysaccharides4%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
G07BTicket-issuing apparatus4%
PatentTitleYear
10,875,988Microfibrous cellulose-containing substance20209,932,461Microfibrous cellulose-containing substance20189,896,553'Method for manufacturing rubber composition, rubber composition, vulcanized rubber, and tire'20189,309,385'Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material'20168,864,942'Process for producing bleached pulp'20148,268,123'Process for producing bleached pulp'20128,073,957'Communication control system'20116,716,718'Method of producing a semiconductor device'20046,643,527'Power switching unit of a portable telephone capable of monitoring and controlling a battery supply voltage thereof'20036,563,188'Semiconductor device having multilayer passivation layer formed over memory cell fuse area'20035,890,077'Mobile terminal selectively operable with a booster and mobile communication system'19995,664,771'Sheet feed mechanism having plural independent feed rollers and plural sensor arrangement'19974,893,804'Apparatus for feeding sheet articles'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2020Based in Tokyo, JP· patent location history
1999–2011Patents assigned to FUJITSU LTD (3)· patent assignee history
1999–2011Based in Kawasaki, JP· patent location history
2003–2004Based in Hyogo, JP· patent location history
2011–2014Patents assigned to NAGATANI HIROYUKI (3)· patent assignee history
2012–2014Patents assigned to CHO TAKAHIRO (2)· patent assignee history
2012–2014Patents assigned to KAWAE AYANO (2)· patent assignee history
2016–2020Patents assigned to OJI HOLDINGS CORP (3)· patent assignee history
2018Based in Koto-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD31999–2011
NAGATANI HIROYUKIself32011–2014
OJI HOLDINGS CORP32016–2020
CHO TAKAHIRO22012–2014
KAWAE AYANO22012–2014
Locations
LocationPatentsSpan
Tokyo, JP71990–2020
Kawasaki, JP31999–2011
Hyogo, JP22003–2004
Koto-ku, JP12018