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Inventor

Fumio Nakai

Inventor
Kurita, JP

Overview

5→
Patents
1981–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds38%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
C08JWorking-up13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
G01RMeasuring electric variables13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
5,250,590'Flame retardant resin composition'19934,518,914'Testing apparatus of semiconductor wafers'19854,419,491'Thermoplastic resin composition excellent in color development'19834,373,063'Elastomeric composition'19834,271,230'Foamed urethane composite'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1993Patents assigned to SUMITOMO NAUGATUCK (4)· patent assignee history
1981–1983Based in Shiga, JP· patent location history
1983–1993Based in Kurita, JP· patent location history
1985Patents assigned to JAPAN ELECTRONIC MATERIALS (1)· patent assignee history
1985Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO NAUGATUCK41981–1993
JAPAN ELECTRONIC MATERIALS11985
Locations
LocationPatentsSpan
Kurita, JP21983–1993
Shiga, JP21981–1983
Amagasaki, JP11985