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Inventor

Naomasa Miyahara

Inventor
Tokyo, JP

Overview

2→
Patents
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 ribbons100%
PatentTitleYear
4,931,233'Method for adding additives during manufacture of carbon fiber'19904,925,604'Process for preparing a carbon fiber of high strength'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to NIKKISO CO LTD (2)· patent assignee history
1990Based in Tokyo, JP· patent location history
1990Based in Fujieda, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKKISO CO LTD21990
Locations
LocationPatentsSpan
Tokyo, JP11990
Fujieda, JP11990