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Inventor

Akimasa Kuriyama

Inventor
Kobe, JP

Overview

6→
Patents
1981–1995
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped56%
B29CShaping or joining of plastics22%
B01FMixing, e.g. dissolving, emulsifying or dispersing11%
F16JPistons11%
PatentTitleYear
5,460,445'Mixer'19954,824,259'Dust seal assembly for use in a closed type mixer and its control mechanism'19894,695,165'Cavity transfer mixing extruder'19874,456,381'Closed type mixing/kneading apparatus'19844,300,838'Mixing and kneading machine'19814,284,358'Mixing and kneading machine'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to BRIDGESTONE TIRE CO LTD (2)· patent assignee history
1981–1989Based in Kobe, JP· patent location history
1984–1995Patents assigned to KOBE STEEL LTD (4)· patent assignee history
1987Based in Hyogo, JP· patent location history
1995Based in Takasago, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD41984–1995
BRIDGESTONE TIRE CO LTD21981
Locations
LocationPatentsSpan
Kobe, JP41981–1989
Takasago, JP11995
Hyogo, JP11987