Inventor
Keiichiro Yutani
Inventor
Kanagawa, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices32%
C07DHeterocyclic compounds20%
C07CAcyclic or carbocyclic compounds12%
H01LSemiconductor devices12%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
9,224,959'Method for producing a pi-electron conjugated compound'20159,123,896'Organic electronic device containing an organic semiconductor material film which contains a leaving substituent-containing compound'20158,952,181'Organic semiconductive material precursor containing dithienobenzodithiophene derivative, ink, insulating member, charge-transporting member, and organic electronic device'20158,680,296'Leaving substituent-containing compound, products produced using the same, and methods for producing the products'20148,598,570'Organic transistor array, display device and method of fabricating display device'20138,575,365'Organic semiconductive material precursor containing dithienobenzodithiophene derivative, ink, insulating member, charge-transporting member, and organic electronic device'20138,207,528'Organic transistor, organic transistor array, and display device'20128,183,563'Organic transistor, organic transistor array and display apparatus'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to RICOH CO LTD (8)· patent assignee history
2012–2015Patents assigned to YUTANI KEIICHIRO (8)· patent assignee history
2012–2015Based in Kanagawa, JP· patent location history
2013–2015Patents assigned to GOTO DAISUKE (5)· patent assignee history
2013–2015Patents assigned to KATO TAKUJI (5)· patent assignee history
2013–2015Patents assigned to MATSUMOTO SHINJI (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 8 | 2012–2015 |
| YUTANI KEIICHIROself | 8 | 2012–2015 |
| GOTO DAISUKE | 5 | 2013–2015 |
| KATO TAKUJI | 5 | 2013–2015 |
| MATSUMOTO SHINJI | 5 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 8 | 2012–2015 |