LexDanaLexDanabeta
Inventor

Kunio Murakami

Inventor
Uji, JP

Overview

10→
Patents
1980–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification19%
C08JWorking-up13%
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%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C08LCompositions of macromolecular compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
B29CShaping or joining of plastics3%
B29DProducing particular articles from plastics or from substances in a plastic state3%
B41MPrinting, duplicating, marking, or copying processes3%
PatentTitleYear
10,964,945Positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery20215,055,337'Polyester film'19914,929,501'Thermal transfer medium'19904,699,973'Polytetramethyleneadipamide film'19874,668,569'Matte film'19874,592,880'Process for producing a piezo- and pyro-electric film'19864,519,969'Stretched fluorine type film and method for manufacture thereof'19854,468,432'High dielectric-constant film'19844,372,728'Tool transfer arm assembly for automatic milling machines'19834,230,658'Process for preparing biaxially drawn thermoplastic polyester film'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1991Patents assigned to UNITIKA LTD (7)· patent assignee history
1980Based in Jyoyo, JP· patent location history
1983Patents assigned to ENSHU LIMITED (1)· patent assignee history
1983Based in Hamamatsu, JP· patent location history
1984–1985Based in Kyoto, JP· patent location history
1986–1991Based in Uji, JP· patent location history
1990Patents assigned to STAMICARBON (1)· patent assignee history
2021Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
2021Patents assigned to TANAKA CHEMICAL CORP (1)· patent assignee history
2021Based in Niihama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITIKA LTD71980–1991
ENSHU LIMITED11983
STAMICARBON11990
SUMITOMO CHEMICAL CO12021
TANAKA CHEMICAL CORP12021
Locations
LocationPatentsSpan
Uji, JP51986–1991
Kyoto, JP21984–1985
Niihama, JP12021
Hamamatsu, JP11983
Jyoyo, JP11980