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Inventor

Akio Kayanuma

Inventor
Kanagawa, JP

Overview

8→
Patents
1977–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices43%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
C23CCoating metallic material14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
PatentTitleYear
8,545,934'Apparatus and method for preparing composite particulates'20138,268,080'Apparatus and method for preparing composite particulates using vapor deposition'20125,163,178'Semiconductor device having enhanced impurity concentration profile'19924,984,053'Bipolar transistor with reduced parasitic capacitance'19914,980,748'Semiconductor device made with a trenching process'19904,591,398'Method for manufacturing a semiconductor device utilizing self-aligned oxide-nitride masking'19864,584,055'Method for manufacturing a semiconductor device'19864,024,564'Semiconductor device having at least one PN junction and channel stopper surrounder by a protecture conducting layer'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2013Patents assigned to SONY CORP (8)· patent assignee history
1977–1986Based in Odawara, JP· patent location history
1986Based in Tokyo, JP· patent location history
1990–2013Based in Kanagawa, JP· patent location history
2012–2013Patents assigned to HOMMURA HAYATO (2)· patent assignee history
2012–2013Patents assigned to KATORI KENJI (2)· patent assignee history
2012–2013Patents assigned to KAYANUMA AKIO (2)· patent assignee history
2012–2013Patents assigned to MATSUKI HIROSHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP81977–2013
HOMMURA HAYATO22012–2013
KATORI KENJI22012–2013
KAYANUMA AKIOself22012–2013
MATSUKI HIROSHI22012–2013
Locations
LocationPatentsSpan
Kanagawa, JP51990–2013
Odawara, JP21977–1986
Tokyo, JP11986