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Inventor

Takaharu Ichiryu

Inventor
Ohtsu, JP

Overview

8→
Patents
1990–2008
Patent span
Textiles
Primary field (CPC D)

Patents· 8 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons19%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons7%
D02GCrimping or curling fibres, filaments, threads, or yarns7%
D10BIndexing scheme associated with sublasses of section d, relating to textiles7%
B22DCasting of metals4%
B63HMarine propulsion or steering4%
C30BSingle-crystal growth4%
D03DWoven fabrics4%
PatentTitleYear
7,357,982'Polybenzazole fiber and use thereof'20087,311,174'Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker'20075,851,466'Process of making polybenzazole staple fibers'19985,780,152'High temperature resistant blended yarn'19985,585,052'Process for the preparation of polybenzazole staple fiber'19965,527,609'Crimped polybenzazole staple fiber and manufacture thereof'19965,429,787'Method for rapid drying of a polybenzazole fiber'19954,946,746'Novel metal fiber and process for producing the same'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2008Patents assigned to TOYO BOSEKI (5)· patent assignee history
1990–1998Based in Ohtsu, JP· patent location history
1995–1996Patents assigned to DOW CHEMICAL CO (2)· patent assignee history
1998Patents assigned to SOSHIN LINING CO LTD (1)· patent assignee history
1998Based in Otsu, JP· patent location history
2007Patents assigned to KENWOOD CORP (1)· patent assignee history
2007–2008Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO BOSEKI51990–2008
DOW CHEMICAL CO21995–1996
KENWOOD CORP12007
SOSHIN LINING CO LTD11998
Locations
LocationPatentsSpan
Ohtsu, JP51990–1998
Osaka, JP22007–2008
Otsu, JP11998