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Inventor

Hiroki Nakai

Inventor
Anan-shi, JP

Overview

3→
Patents
2010–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Lprimary
H01LSemiconductor devices25%
H10HInorganic light-emitting semiconductor devices having potential barriers25%
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials13%
C10LFuels not otherwise provided for13%
F21SNon-portable lighting devices13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
PatentTitleYear
10,741,727Light emitting device and method of manufacturing same202010,658,559Light emitting element and light emitting device20207,645,362'Method for pretreating and improving coking coal quality for blast furnace coke'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to JAPAN IRON & STEEL FED (1)· patent assignee history
2010Based in Tokai, JP· patent location history
2020Patents assigned to NICHIA CORP (2)· patent assignee history
2020Based in Anan-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NICHIA CORP22020
JAPAN IRON & STEEL FED12010
Locations
LocationPatentsSpan
Anan-shi, JP22020
Tokai, JP12010