Inventor

Masao Takashige

Inventor
Himeji, JP

Overview

15→
Patents
1984–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

B29Cprimary
B29CShaping or joining of plastics21%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%
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. inserts15%
Y10TTechnical subjects covered by former us classification13%
C08JWorking-up10%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
A44BButtons, pins, buckles, slide fasteners, or the like2%
C08LCompositions of macromolecular compounds2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2002Patents assigned to IDEMITSU PETROCHEMICAL CO (13)· patent assignee history
1984–1988Based in Chiba, JP· patent location history
1989–2001Based in Himeji, JP· patent location history
2002Based in Sodegaura, JP· patent location history
2013Patents assigned to IDEMITSU UNITECH CO LTD (2)· patent assignee history
2013Patents assigned to TAKASHIGE MASAO (2)· patent assignee history
2013Based in Tokyo, JP· patent location history
2013Based in Chuo-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU PETROCHEMICAL CO131984–2002
IDEMITSU UNITECH CO LTD22013
TAKASHIGE MASAOself22013
Locations
LocationPatentsSpan
Himeji, JP101989–2001
Chiba, JP21984–1988
Tokyo, JP12013
Chuo-ku, JP12013
Sodegaura, JP12002