Inventor

Yasushi Shimomura

Inventor

Hirakata, JP

Overview

8→

Patents

1986–1995

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

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

B01Dprimary

B01DSeparation32%

A61MDevices for introducing media into, or onto, the body11%

B29CShaping or joining of plastics11%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%

Y10TTechnical subjects covered by former us classification11%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

C02FTreatment of water, waste water, sewage, or sludge5%

D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

5,435,955'Process of producing porous polypropylene hollow fiber and film'1995 5,263,982'Hollow fiber membrane type artificial lung'1993 5,019,252'Portable water purifier'1991 4,992,332'Porous hollow fiber'1991 4,904,234'Apparatus for collecting plasma'1990 4,869,822'Filter apparatus employing hollow fibers'1989 4,654,265'Porous hollow fiber'1987 4,563,317'Process of producing porous thermoplastic resin article'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Patents assigned to UBE INDUSTRIES (8)· patent assignee history

1986–1995Based in Hirakata, JP· patent location history

1989Patents assigned to TOYO ROSHI KAISHA (1)· patent assignee history

1990Based in Ichihara, JP· patent location history

1991Patents assigned to IWATANI & CO (1)· patent assignee history

1991Patents assigned to LEC KK (1)· patent assignee history

1993Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UBE INDUSTRIES	8	1986–1995
IWATANI & CO	1	1991
LEC KK	1	1991
TOYO ROSHI KAISHA	1	1989

Locations

Location	Patents	Span
Hirakata, JP	6	1986–1995
Chiba, JP	1	1993
Ichihara, JP	1	1990