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Inventor

Kazuyuki Yabuki

Inventor
Ohtsu, JP

Overview

13→
Patents
1979–2003
Patent span
Textiles
Primary field (CPC D)

Patents· 13 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 ribbons35%
Y10TTechnical subjects covered by former us classification19%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B60CVehicle tyres3%
C08JWorking-up3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
D02GCrimping or curling fibres, filaments, threads, or yarns3%
PatentTitleYear
6,527,987'Process for producing regenerated cellulosic fibers'20036,183,865'Regenerated cellulosic fibers and process for producing the same'20015,948,186'Light weight tire including polybenzazole fibers'19995,922,259'Cord of twisted polybenzazole fibers'19995,851,466'Process of making polybenzazole staple fibers'19985,756,040'Process of making polybenzazole nonwoven fabric'19985,534,205'Method for preparing polybenzoxazole or polybenzothiazole fibers'19965,527,609'Crimped polybenzazole staple fiber and manufacture thereof'19965,288,452'Steam heat-treatment method for polybenzazole fiber'19945,252,407'Rubber composite'19935,171,506'Process for producing polyester fibers'19924,827,999'Polyester fiber having excellent thermal dimensional _ stability, chemical stability and high _ tenacity and process for the production thereof'19894,164,114'High strength polyester fibrous products'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1989Patents assigned to TOYOBO PETCORD (2)· patent assignee history
1979–1999Based in Otsu, JP· patent location history
1992–2003Patents assigned to TOYO BOSEKI (9)· patent assignee history
1992–1993Based in Ootsu, JP· patent location history
1993Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (1)· patent assignee history
1994–1996Patents assigned to DOW CHEMICAL CO (2)· patent assignee history
1994–2003Based in Ohtsu, JP· patent location history
1999Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO BOSEKI91992–2003
DOW CHEMICAL CO21994–1996
TOYOBO PETCORD21979–1989
TAKEDA CHEMICAL INDUSTRIES LTD11993
Locations
LocationPatentsSpan
Ohtsu, JP71994–2003
Otsu, JP31979–1999
Ootsu, JP21992–1993
Shiga, JP11999