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Inventor

Toshiyuki Yasunaga

Inventor
Otake, JP

Overview

2→
Patents
1989–1990
Patent span
Textiles
Primary field (CPC D)

Patents· 2 as inventor

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

D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons67%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons33%
PatentTitleYear
4,902,452'Process for producing an acrylic fiber having high fiber characteristics'19904,831,069'Acrylonitrile spinning solution and process for producing fibers therewith'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to MITSUBISHI RAYON CO (2)· patent assignee history
1989Based in Hiroshima, JP· patent location history
1990Based in Otake, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI RAYON CO21989–1990
Locations
LocationPatentsSpan
Otake, JP11990
Hiroshima, JP11989