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Inventor

Yoshihisa Otani

Inventor
Himeji, JP

Overview

3→
Patents
1991–1994
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.

D04Hprimary
D04HMaking textile fabrics, e.g. from fibres or filamentary material33%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons22%
Y10TTechnical subjects covered by former us classification22%
B01DSeparation11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,292,460'Method of manufacturing a high bulk density carbon fiber felt'19945,145,732'High bulk density carbon fiber felt and thermal insulator'19924,996,102'Composite non-woven fabric material'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1994Patents assigned to OSAKA GAS CO LTD (3)· patent assignee history
1991–1994Based in Himeji, JP· patent location history
1992–1994Patents assigned to JAPAN FELT IND (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSAKA GAS CO LTD31991–1994
JAPAN FELT IND21992–1994
Locations
LocationPatentsSpan
Himeji, JP31991–1994