LexDanaLexDanabeta
Inventor

Seiji Ohno

Inventor
Osaka, JP

Overview

54→
Patents
1993–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 54 as inventor

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

B41Jprimary
B41JTypewriters32%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
G03GElectrography14%
G06KGraphical data reading6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H05BElectric heating5%
H04NPictorial communication, e.g. television3%
LOC263%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
H01LSemiconductor devices2%
PatentTitleYear
10,938,095Vehicle antenna device20219,024,985'Light-emitting component, print head, image forming apparatus and method of manufacturing light-emitting component'20159,013,527'Light-emitting component, print head and image forming apparatus'20158,908,000'Light-emitting device, driving method of light-emitting device, light-emitting chip, print head and image forming apparatus'20148,786,646'Light-emitting chip, light-emitting device, print head and image forming apparatus'20148,780,148'Light emitting element array chip, light emitting element head, and image forming apparatus'20148,754,354'Light-emitting device including a memory thyristor array, print head and image forming apparatus including the same'20148,748,935'Light-emitting chip, print head, and image forming apparatus'20148,692,859'Light-emitting device, light-emitting array unit, print head, image forming apparatus and light-emission control method'20148,581,952'Light-emitting device, driving method of light-emitting device, light-emitting chip, print head and image forming apparatus'20138,508,566'Light emitting apparatus, print head and image forming apparatus'20138,502,849'Light-emitting device, print head and image forming apparatus'20138,450,671'Light-emitting device including a memory element array for designating and memorizing the light up state'20138,325,210'Light-emitting device, driving method of light-emitting device, print head and image forming apparatus'20128,305,417'Light-emitting device, print head and image forming apparatus'20128,305,415'Light-emitting device including a light-up controller, driving method of self-scanning light-emitting element array and print head including the same'20128,274,539'Light-emitting element array drive device, print head, image forming apparatus and signal supplying method'20128,207,994'Light-emitting device, exposure device, image forming apparatus and signal supply method'20128,194,111'Light-emitting element head, light-emitting element chip, image forming apparatus and signal supply method'20128,193,714'Light-emitting device including light-emitting thyristor array, light-emitting element chip including light-emitting thyristor array and light emission adjusting method for a light-emitting thyristor array'20128,134,585'Light-emitting element head, image forming apparatus and light-emission control method'20128,134,178'Light-emitting element'2012D0652534'Luminescent element with a lens'2012D0652535'Luminescent element with a lens'20128,004,550'Light-emitting element head, image forming apparatus and signal supply method'20117,989,825'Lens-attached light-emitting element and method for manufacturing the same'20117,834,363'Light-emitting element having PNPN-structure and light-emitting element array'2010D0602613'Luminescent element with a lens'2009D0602177'Luminescent element with a lens'20097,518,152'Light-emitting element having PNPN-structure and light-emitting element array'20097,436,065'Electrode contact structure'20087,330,204'Self-scanning light-emitting element array and driving method of the same'20087,286,259'Self-scanned light-emitting device array, its driving method, and driving circuit'20077,259,397'Self-scanning light-emitting element array chip'20077,193,250'Light-emitting element having PNPN-structure and light-emitting element array'20077,009,221'Light-emitting thyristor and self-scanning light-emitting device'20066,919,583'End surface light-emitting element having increased external light emission efficiency and self-scanning light-emitting element array using the same'20056,747,940'Optical writing head comprising self-scanning light-emitting element array'20046,717,182'Edge-emitting light-emitting device having improved external luminous efficiency and self-scanning light-emitting device array comprising the same'20046,717,183'Light-emitting thyristor matrix array and driver circuit'20046,703,790'Method for driving a self-scanning light-emitting array'20046,657,651'Optical writing head and method of correcting the deviation of a line of light spots'20036,590,347'Light-emitting element matrix array'20036,535,234'Method for setting quantity of light of light-emitting element array'20036,531,826'Self-scanning light-emitting device'20036,509,886'Two-dimensional light-emitting element array device and method for driving the same'20036,507,057'Cross under metal wiring structure for self-scanning light-emitting device'20036,504,309'Driver circuit for a self-scanning light-emitting array'20036,496,973'Method for designing mask pattern of a self scanning light emitting device'20026,485,994'Method of arraying self-scanning light-emitting element array chips'20026,452,342'Self-scanning light-emitting device'20026,266,036'Two-dimensional light-emitting element array device and method for driving the same'20015,756,371'Process of producing thin film transistor array'19985,177,405'Self-scanning, light-emitting device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2007Patents assigned to NIPPON SHEET GLASS CO LTD (20)· patent assignee history
1998–2007Based in Osaka, JP· patent location history
2007–2015Patents assigned to FUJI XEROX CO LTD (32)· patent assignee history
2007–2014Based in Minato-ku, JP· patent location history
2010–2014Based in Tokyo, JP· patent location history
2012–2014Patents assigned to OHNO SEIJI (20)· patent assignee history
2012Patents assigned to HAMANAKA KENJIRO (2)· patent assignee history
2013–2014Patents assigned to FUJIMOTO TAKASHI (2)· patent assignee history
2013–2014Based in Kanagawa, JP· patent location history
2014–2015Based in Ebina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI XEROX CO LTD322007–2015
NIPPON SHEET GLASS CO LTD201993–2007
OHNO SEIJIself202012–2014
FUJIMOTO TAKASHI22013–2014
HAMANAKA KENJIRO22012
Locations
LocationPatentsSpan
Osaka, JP201998–2007
Tokyo, JP172010–2014
Minato-ku, JP92007–2014
Ebina, JP32014–2015
Kanagawa, JP32013–2014