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Inventor

Hiroaki Okada

Inventor
Tokyo, JP

Overview

31→
Patents
1981–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 31 as inventor

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

A61Bprimary
A61BDiagnosis28%
G01BMeasuring length, thickness or similar linear dimensions9%
H04NPictorial communication, e.g. television9%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
H01HElectric switches8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H10NElectric solid-state devices not otherwise provided for8%
G02BOptical elements, systems or apparatus4%
A01GHorticulture2%
PatentTitleYear
10,045,691Ophthalmologic observation apparatus using optical coherence tomography20189,980,643Ophthalmologic apparatus20189,807,201'Information delivery system for generating a data stream with a server system based on a content file received from a client device'20179,706,920'Ophthalmologic apparatus'20179,526,416'Ophthalmologic apparatus'20169,451,052'Information delivery system for generating a data stream with a server system based on a content file received from a client device'20169,408,531'Ophthalmologic apparatus'20168,963,477'SR motor control apparatus'20158,856,217'Information delivery system for generating a data stream with a server system based on a content file received from a client device'20148,192,024'Optical image measurement device and program for controlling the same'20128,177,362'Optical image measurement device'20128,150,906'Information delivery system for generating a data stream with a server system based on a content file received from a client device'20128,098,278'Optical image measurement device'20127,982,880'Optical image measurement device'20117,859,680'Optical image measurement device'20107,777,893'Optical image measurement device'20107,643,154'Optical image measurement device'20107,566,132'Fundus observation device'20097,549,746'Fundus observation device'20097,190,873'Wiring device for optical fiber'20077,134,426'Fuel vapor treatment device'20066,399,909'Keyswitch for keyboard'20026,400,013'Thermoelectric module with interarray bridges'20026,391,676'Thermoelectric module and a method of fabricating the same'20025,950,067'Method of fabricating a thermoelectric module'19995,841,064'Peltier module'19985,768,465'Alternative display state medical photographic instrument'19985,635,928'Data processing device with a keyboard having pop-up keys'19975,512,719'Key switch having elastic portions for facilitating attachment of scissors-type support linkage to keytop and holder, and removal of keytop from linkage'19965,463,195'Key switch'19954,285,472'Water dropping type irrigation pipe'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2002Patents assigned to BROTHER IND LTD (4)· patent assignee history
1995–2002Based in Kasugai, JP· patent location history
1998–2012Patents assigned to TOPCON CORP (10)· patent assignee history
1998–2007Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (5)· patent assignee history
1998–2017Based in Tokyo, JP· patent location history
1999–2002Based in Nara, JP· patent location history
2006–2018Based in Saitama, JP· patent location history
2012–2015Patents assigned to OKADA HIROAKI (6)· patent assignee history
2015Based in Gunma, JP· patent location history
2016–2018Patents assigned to KK TOPCON (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOPCON CORP101998–2012
OKADA HIROAKIself62012–2015
KK TOPCON52016–2018
MATSUSHITA ELECTRIC WORKS LTD51998–2007
BROTHER IND LTD41995–2002
Locations
LocationPatentsSpan
Tokyo, JP121998–2017
Saitama, JP82006–2018
Kasugai, JP41995–2002
Nara, JP31999–2002
Gunma, JP12015