Inventor

Tamio Kawasumi

Inventor

Chiba, JP

Overview

6→

Patents

1999–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 6 as inventor

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

B29Cprimary

B29CShaping or joining of plastics16%

Y10TTechnical subjects covered by former us classification13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

C08JWorking-up10%

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. inserts6%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%

B29DProducing particular articles from plastics or from substances in a plastic state3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C08LCompositions of macromolecular compounds3%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%

PatentTitleYear

8,779,017'Foam and production method of the same'2014 8,658,263'Shape-retaining film, process for producing same, laminate for packaging, packaging material and process for producing same, shape-retaining fiber, and anisotropic heat-conductive film'2014 8,462,297'Polarizing diffuser film, method for producing polarizing diffuser film, and liquid crystal display device comprising polarizing diffuser film'2013 6,764,741'Laminated product having surface protection layer'2004 6,468,643'Laminated product'2002 5,888,636'Multi-layer blow molded article of polypropylene'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2014Patents assigned to MITSUI CHEMICALS INC (6)· patent assignee history

1999–2002Based in Kanagawa, JP· patent location history

2004–2014Based in Chiba, JP· patent location history

2013–2014Patents assigned to ERIGUCHI MICHIO (3)· patent assignee history

2013–2014Patents assigned to KAWASUMI TAMIO (3)· patent assignee history

2013–2014Patents assigned to INOUE HARUO (2)· patent assignee history

2013–2014Patents assigned to MISUMI MASAKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI CHEMICALS INC	6	1999–2014
ERIGUCHI MICHIO	3	2013–2014
KAWASUMI TAMIOself	3	2013–2014
INOUE HARUO	2	2013–2014
MISUMI MASAKI	2	2013–2014

Locations

Location	Patents	Span
Chiba, JP	4	2004–2014
Kanagawa, JP	2	1999–2002