Inventor

Junichi Itsubo

Inventor

Hiratsuka, JP

Overview

9→

Patents

1981–1991

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B65Dprimary

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers40%

B29CShaping or joining of plastics15%

C08LCompositions of macromolecular compounds10%

Y10TTechnical subjects covered by former us classification10%

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%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

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

PatentTitleYear

5,060,818'Heat-resistant liner-provided vessel closure and process for preparation thereof'1991 4,588,100'Pilfer-proof plastic closure for containers'1986 4,565,295'Plastic container closure having pilferproof characteristics'1986 4,520,939'Pilfer-proof plastic closure for containers'1985 4,488,655'Plastic closure for containers'1984 4,421,804'Bottle for carbonated drink'1983 4,392,581'Container closure having a liner and method for its production'1983 4,312,824'Process for making closure caps having liners'1982 4,256,234'Container closure having easily openable liner comprised of base resin, lubricant and 1 to 15% by weight of a conjugated diene resin'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1991Patents assigned to CROWN CORK JAPAN (8)· patent assignee history

1981–1991Based in Hiratsuka, JP· patent location history

1982Patents assigned to TOYO SEIKAN KAISHA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CROWN CORK JAPAN	8	1981–1991
TOYO SEIKAN KAISHA LTD	1	1982

Locations

Location	Patents	Span
Hiratsuka, JP	9	1981–1991