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Inventor

Toshiya Umemura

Inventor
Aichi, JP

Overview

2→
Patents
2011–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 2 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 barriers100%
PatentTitleYear
8,158,490'Method for producing group III nitride-based compound semiconductor device'20128,003,418'Method for producing group III nitride-based compound semiconductor device'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2012Patents assigned to TOYODA GOSEI KK (2)· patent assignee history
2011–2012Based in Aichi, JP· patent location history
2012Patents assigned to OHASHI MASAHIRO (1)· patent assignee history
2012Patents assigned to UMEMURA TOSHIYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYODA GOSEI KK22011–2012
OHASHI MASAHIRO12012
UMEMURA TOSHIYAself12012
Locations
LocationPatentsSpan
Aichi, JP22011–2012