Inventor

Nobuyoshi Shimoyashiki

Inventor

Isehara, JP

Overview

4→

Patents

1981–1984

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C08Jprimary

C08JWorking-up29%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%

B29CShaping or joining of plastics14%

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. inserts7%

B29LIndexing scheme associated with subclass b29c, relating to particular articles7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%

C08LCompositions of macromolecular compounds7%

PatentTitleYear

4,451,417'Method of producing extruded plate-like polystyrene foam'1984 4,393,016'Process for producing plate-like polystyrene resin foam'1983 4,260,572'Process for producing foamed polystyrene boards'1981 4,255,371'Process for producing olefinic resin foams'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to JAPAN STYRENE PAPER CORP (4)· patent assignee history

1981–1983Based in Isehara, JP· patent location history

1984Based in Kanuma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN STYRENE PAPER CORP	4	1981–1984

Locations

Location	Patents	Span
Isehara, JP	3	1981–1983
Kanuma, JP	1	1984