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Inventor

Hajime Asai

Inventor
Ohtake, JP

Overview

8→
Patents
1982–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B29Cprimary
B29CShaping or joining of plastics13%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts13%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons13%
Y10TTechnical subjects covered by former us classification13%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C07DHeterocyclic compounds6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08JWorking-up6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
PatentTitleYear
8,118,064'Fiber reinforced plastic pipe and power transmission shaft employing the same'20124,913,909'Complex of tea-leaf extract and active aluminum hydroxide'19904,814,157'Carbon fibers and method for producing same'19894,735,693'Process for producing carbon fiber'19884,654,264'Method of sizing carbon fiber and a carbon fiber composition'19874,603,157'Intermediate for composite material'19864,510,024'Novel polymer composition'19854,345,959'Process for producing thermosetting resin film'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2012Patents assigned to MITSUBISHI RAYON CO (7)· patent assignee history
1982Based in Ootake, JP· patent location history
1985–1987Based in Hiroshima, JP· patent location history
1986–1989Based in Ohtake, JP· patent location history
1990Based in Nagoya, JP· patent location history
2012Patents assigned to ASAHI GLASS MATEX CO LTD (1)· patent assignee history
2012Patents assigned to ASAI HAJIME (1)· patent assignee history
2012Patents assigned to ITOHIYA GO (1)· patent assignee history
2012Patents assigned to MATSUI ARITO (1)· patent assignee history
2012Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI RAYON CO71982–2012
ASAHI GLASS MATEX CO LTD12012
ASAI HAJIMEself12012
ITOHIYA GO12012
MATSUI ARITO12012
Locations
LocationPatentsSpan
Ohtake, JP31986–1989
Hiroshima, JP21985–1987
Tokyo, JP12012
Nagoya, JP11990
Ootake, JP11982