LexDanaLexDanabeta
Inventor

Seiji Take

Inventor
Tokyo, JP

Overview

20→
Patents
1989–2015
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

G03Gprimary
G03GElectrography14%
G11BInformation storage based on relative movement between record carrier and transducer13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
H05BElectric heating5%
H10KOrganic electric solid-state devices5%
H01LSemiconductor devices4%
H04NPictorial communication, e.g. television4%
PatentTitleYear
9,155,159'Light emitting device having quantum cut dots with a protecting material and prolonged drive lifetime and good color purity'20159,102,872'Device material for hole injection transport layer, ink for forming hole injection transport layer, device comprising hole injection transport layer, and method for producing the device'20158,785,921'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,778,233'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,673,185'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20147,259,320'Thermoelectric conversion materials'20077,255,922'Inorganic nanoparticle and method for producing the same'20076,013,603'Image-receiving sheet'20005,981,123'Electrostatic information recording medium and electrostatic information recording and reproducing method'19995,731,116'Electrostatic information recording medium and electrostatic information recording and reproducing method'19985,718,996'Electrostatic information recording medium and electrostatic information recording and reproducing method'19985,683,838'Method of producing information recording medium'19975,660,958'Information recording medium, and information recording and reproducing method'19975,587,264'Electrostatic information recording medium and electrostatic information recording and reproducing method'19965,571,646'Electrostatic information-recording media and process for recording and reproducing electrostatic information'19965,514,504'Information recording medium, and information recording a reproducing method'19965,492,783'Electrostatic information-recording media and process for recording and reproducing electrostatic information'19965,439,768'Electrostatic information recording medium and electrostatic information recording and reproducing method'19954,981,746'Heat-sensitive stencil sheet'19914,841,134'IC card'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2015Based in Tokyo, JP· patent location history
1991–2015Patents assigned to DAINIPPON PRINTING CO LTD (18)· patent assignee history
1991–2015Based in Nagareyama, JP· patent location history
2000Based in Shinjuku-ku, JP· patent location history
2014–2015Patents assigned to OKADA MASATO (4)· patent assignee history
2014–2015Patents assigned to TAKE SEIJI (4)· patent assignee history
2014–2015Patents assigned to UENO SHIGEHIRO (4)· patent assignee history
2014–2015Patents assigned to TAGUCHI YOSUKE (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON PRINTING CO LTD181991–2015
OKADA MASATO42014–2015
TAKE SEIJIself42014–2015
UENO SHIGEHIRO42014–2015
TAGUCHI YOSUKE32014–2015
Locations
LocationPatentsSpan
Tokyo, JP171989–2015
Nagareyama, JP21991–2015
Shinjuku-ku, JP12000