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Inventor

Kenichi Tokano

Inventor
Kawasaki, JP

Overview

13→
Patents
2004–2013
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.

H10Dprimary
H10DInorganic electric semiconductor devices71%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1024%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
PatentTitleYear
8,431,992'Semiconductor device including first and second semiconductor regions with increasing impurity concentrations from a substrate surface'20137,936,015'Semiconductor device having trenches filled with a semiconductor having an impurity concentration gradient'20117,898,031'Semiconductor device with tapered trenches and impurity concentration gradients'20117,714,385'Semiconductor device and method of fabricating the same'20107,595,530'Power semiconductor device with epitaxially-filled trenches'20097,531,871'Power semiconductor switching element'20097,488,993'Semiconductor device and method of manufacturing the same'20097,423,315'Semiconductor device and method for manufacturing the same'20087,391,077'Vertical type semiconductor device'20087,301,202'Semiconductor device and method of manufacturing the same'20077,075,149'Semiconductor device and its manufacturing method'20067,067,870'Power semiconductor switching element'20066,750,508'Power semiconductor switching element provided with buried electrode'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2013Patents assigned to TOSHIBA KK (13)· patent assignee history
2004–2013Based in Kawasaki, JP· patent location history
2006–2009Based in Kanagawa, JP· patent location history
2013Patents assigned to MATSUDA TETSUO (1)· patent assignee history
2013Patents assigned to SAITO WATARU (1)· patent assignee history
2013Patents assigned to TOKANO KENICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK132004–2013
MATSUDA TETSUO12013
SAITO WATARU12013
TOKANO KENICHIself12013
Locations
LocationPatentsSpan
Kawasaki, JP112004–2013
Kanagawa, JP22006–2009