Inventor

Hiroaki Onuma

Inventor

Sakai, JP

Overview

13→

Patents

1998–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

H10Hprimary

H10HInorganic light-emitting semiconductor devices having potential barriers20%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%

H01LSemiconductor devices19%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted7%

H05BElectric heating7%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

F21SNon-portable lighting devices6%

F21VFunctional features or details of lighting devices or systems thereof6%

A01GHorticulture2%

F21KNon-electric light sources using luminescence2%

PatentTitleYear

10,784,416Light source device and light emitting device2020 10,374,133Light emitting apparatus with two primary lighting peaks2019 10,342,091Light-emitting device2019 10,332,866Light source device and light emitting apparatus2019 10,264,646Lighting device and light emitting device having red and green phosphor arranged therein2019 10,205,065Light-emitting device2019 10,084,119Light-emitting device2018 10,026,875Light-source device and light-emitting device2018 9,974,137Lighting device and light emitting device having red and green phosphor arranged therein2018 9,923,126'Light emitting device having high color rendering using three phosphor types'2018 9,504,207'Light emitting device'2016 9,407,703'Connection management system, and a method for linking connection management server in thin client system'2016 5,835,939'Data transfer control method and apparatus for external storage subsystem adapted to perform erasing after writing'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to HITACHI LTD (1)· patent assignee history

1998Based in Odawara, JP· patent location history

2016–2020Patents assigned to SHARP KK (11)· patent assignee history

2016Patents assigned to NEC CORP (1)· patent assignee history

2016Patents assigned to ONUMA HIROAKI (1)· patent assignee history

2016–2018Based in Osaka, JP· patent location history

2016Based in Tokyo, JP· patent location history

2018–2020Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	11	2016–2020
HITACHI LTD	1	1998
NEC CORP	1	2016
ONUMA HIROAKIself	1	2016

Locations

Location	Patents	Span
Sakai, JP	8	2018–2020
Osaka, JP	3	2016–2018
Tokyo, JP	1	2016
Odawara, JP	1	1998