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Inventor

Akihiko Ohi

Inventor
Nagano, JP

Overview

11→
Patents
1992–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices17%
B01DSeparation13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
H01LSemiconductor devices8%
H10NElectric solid-state devices not otherwise provided for8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
Y02TClimate change mitigation technologies related to transportation8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
PatentTitleYear
10,267,756Dryness/wetness responsive sensor having first and second wires spaced 5 nm to less than 20 mm apart20199,818,845'MOS-driven semiconductor device and method for manufacturing MOS-driven semiconductor device'20179,553,185'MOS-driven semiconductor device and method for manufacturing MOS-driven semiconductor device'20179,222,970'Fault position analysis method and fault position analysis device for semiconductor device'20158,399,340'Method of manufacturing super-junction semiconductor device'20137,510,975'Method for manufacturing a semiconductor device having trenches defined in the substrate surface'20095,441,926'Superconducting device structure with Pr-Ba-Cu-O barrier layer'19955,422,336'Superconducting FET with Pr-Ba-Cu-O channel'19955,275,792'Method of removing NO.sub.x from NO.sub.x -containing gas'19945,154,901'Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates'19925,141,714'Exhaust gas cleaner'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to RIKEN KK (2)· patent assignee history
1992–2019Based in Ibaraki, JP· patent location history
1992–1994Based in Tsukuba, JP· patent location history
1994Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1995–2017Patents assigned to FUJI ELECTRIC CO LTD (6)· patent assignee history
1995Based in Yokosuka, JP· patent location history
2009Patents assigned to FUJI ELECTRIC HOLDINGS (1)· patent assignee history
2009–2017Based in Nagano, JP· patent location history
2013–2017Patents assigned to OHI AKIHIKO (2)· patent assignee history
2013–2015Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI ELECTRIC CO LTD61995–2017
OHI AKIHIKOself22013–2017
RIKEN KK21992
AGENCY IND SCIENCE TECHN11994
FUJI ELECTRIC HOLDINGS12009
Locations
LocationPatentsSpan
Nagano, JP32009–2017
Ibaraki, JP21992–2019
Matsumoto, JP22013–2015
Yokosuka, JP21995
Tsukuba, JP21992–1994