Inventor

Hirotaka Tagoshi

Inventor
Oita, JP

Overview

8→
Patents
1985–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 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 bonds22%
C07CAcyclic or carbocyclic compounds11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%
A01GHorticulture6%
C04BLime, magnesia6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
C12NMicroorganisms or enzymes6%
G02BOptical elements, systems or apparatus6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2004Patents assigned to SHOWA DENKO KK (7)· patent assignee history
1985Patents assigned to SHOWA HIGHPOLYMER (1)· patent assignee history
1985–1995Based in Oita, JP· patent location history
1993Patents assigned to SUMITOMO SEIKA CHEMICALS (1)· patent assignee history
2000–2004Based in Chiba, JP· patent location history
2000Based in Tokyo, JP· patent location history
2002Patents assigned to TOYO GOSEI KOGYO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK71985–2004
SHOWA HIGHPOLYMER11985
SUMITOMO SEIKA CHEMICALS11993
TOYO GOSEI KOGYO KK12002
Locations
LocationPatentsSpan
Oita, JP41985–1995
Chiba, JP32000–2004
Tokyo, JP12000