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Inventor

Sadayuki Ohnishi

Inventor
Kanagawa, JP

Overview

12→
Patents
1995–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1026%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1026%
H10DInorganic electric semiconductor devices19%
C23CCoating metallic material15%
H01LSemiconductor devices7%
H10BElectronic memory devices4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,153,274Semiconductor device20189,660,061'Semiconductor device'20178,598,044'Method of fabricating a semiconductor device'20137,833,901'Method for manufacturing a semiconductor device having a multi-layered insulating structure of SiOCH layers and an SiO2 layer'20107,582,970'Carbon containing silicon oxide film having high ashing tolerance and adhesion'20097,563,705'Manufacturing method of semiconductor device'20097,420,279'Carbon containing silicon oxide film having high ashing tolerance and adhesion'20087,132,732'Semiconductor device having two distinct sioch layers'20067,102,236'Carbon containing silicon oxide film having high ashing tolerance and adhesion'20067,074,698'Method of fabricating semiconductor device using plasma-enhanced CVD'20065,691,220'Process of fabricating semiconductor device having capacitor electrode implanted with boron difluoride'19975,397,748'Method of producing semiconductor device with insulating film having at least silicon nitride film'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to NEC CORP (2)· patent assignee history
1995–1997Based in Tokyo, JP· patent location history
2006–2010Patents assigned to NEC ELECTRONICS CORP (7)· patent assignee history
2006–2010Based in Kanagawa, JP· patent location history
2009–2013Based in Kawasaki, JP· patent location history
2013–2018Patents assigned to RENESAS ELECTRONICS CORP (3)· patent assignee history
2013Patents assigned to HIROI MASAYUKI (1)· patent assignee history
2013Patents assigned to MATSUMOTO AKIRA (1)· patent assignee history
2017–2018Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC ELECTRONICS CORP72006–2010
RENESAS ELECTRONICS CORP32013–2018
NEC CORP21995–1997
HIROI MASAYUKI12013
MATSUMOTO AKIRA12013
Locations
LocationPatentsSpan
Kanagawa, JP62006–2010
Hitachinaka, JP22017–2018
Kawasaki, JP22009–2013
Tokyo, JP21995–1997