Inventor
Kazuya Soejima
Inventor
Ibaraki, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
C08LCompositions of macromolecular compounds6%
H01LSemiconductor devices6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
11,021,572Photosensitive resin composition, cured product of same, interlayer insulating film, surface protective film and electronic component202110,725,379Polymide precursor resin composition20209,751,984'Polyimide precursor, photosensitive resin composition containing said polyimide precursor, and cured-pattern-film manufacturing method and semiconductor device using said photosensitive resin composition'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2021Patents assigned to HITACHI CHEMICAL DUPONT MICROSYSTEMS LTD (3)· patent assignee history
2017–2020Based in Ibaraki, JP· patent location history
2021Patents assigned to HD MICROSYSTEMS LTD (1)· patent assignee history
2021Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CHEMICAL DUPONT MICROSYSTEMS LTD | 3 | 2017–2021 |
| HD MICROSYSTEMS LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 2 | 2017–2020 |
| Hitachi, JP | 1 | 2021 |