Inventor

Takashi Yasumura

Inventor
Osaka, JP

Overview

15→
Patents
1984–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds25%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C08LCompositions of macromolecular compounds14%
G02BOptical elements, systems or apparatus6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
B29BPreparation or pretreatment of the material to be shaped3%
B29CShaping or joining of plastics3%
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. inserts3%
C03CChemical composition of glasses, glazes or vitreous enamels3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1992Patents assigned to CENTRAL GLASS CO LTD (7)· patent assignee history
1984–1992Based in Fujimi, JP· patent location history
2002–2020Patents assigned to DAINIPPON INK & CHEMICALS (8)· patent assignee history
2002–2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON INK & CHEMICALS82002–2020
CENTRAL GLASS CO LTD71984–1992
Locations
LocationPatentsSpan
Osaka, JP82002–2020
Fujimi, JP71984–1992