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Inventor

Michio Ishitobi

Inventor
Ohtsu, JP

Overview

3→
Patents
1998–2000
Patent span
Textiles
Primary field (CPC D)

Patents· 3 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 ribbons60%
Y10TTechnical subjects covered by former us classification40%
PatentTitleYear
6,040,050'Polybenzazole fiber having high tensile modulus and process of manufacture thereof'20005,993,963'Polybenzazole fiber and method for production thereof'19995,772,942'Processes for producing polybenzazole fibers'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to TOYO BOSEKI (3)· patent assignee history
1998Based in Otsu, JP· patent location history
1999–2000Based in Ohtsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO BOSEKI31998–2000
Locations
LocationPatentsSpan
Ohtsu, JP21999–2000
Otsu, JP11998