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Inventor

Ryuya Ando

Inventor
Hitachi, JP

Overview

14→
Patents
2004–2018
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G01Rprimary
G01RMeasuring electric variables40%
H01FMagnets20%
A61BDiagnosis8%
F02BInternal-combustion piston engines8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
Y02TClimate change mitigation technologies related to transportation8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
9,995,805Magnetic field homogeneity adjustment method, magnet device, and magnetic resonance imaging apparatus20189,852,831Superconducting magnet20179,689,938'Gradient magnetic field coil device, adjustment method therefor, and magnetic resonance imaging apparatus'20178,989,828'Superconducting magnet apparatus'20158,988,176'Superconducting electromagnet device, cooling method therefor, and magnetic resonance imaging device'20158,947,089'Magnetic field shimming adjustment: reducing magnetic distribution errors by obtaining current potential distributions of MRI apparatus'20158,198,897'Superconductive magnetic device, magnetic resonance imaging apparatus and magnetic field inhomogeneity compensation method'20127,990,661'Active shield superconducting electromagnet apparatus and magnetic resonance imaging system'20117,714,574'Superconducting magnet with refrigerator and magnetic resonance imaging apparatus using the same'20107,436,179'Magnet device'20087,323,963'MRI superconductive magnet'20087,245,128'Magnetic resonance imaging apparatus and magnet apparatus therefor'20076,908,050'Electromagnetic fuel injection valve'20056,695,233'Electromagnetic fuel injection valve'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2018Patents assigned to HITACHI LTD (12)· patent assignee history
2004–2005Patents assigned to HITACHI CAR ENG CO LTD (2)· patent assignee history
2004–2015Based in Hitachi, JP· patent location history
2012–2017Patents assigned to ANDO RYUYA (3)· patent assignee history
2012–2015Patents assigned to HITACHI MEDICAL CORP (2)· patent assignee history
2012Based in Ibaraki, JP· patent location history
2015–2017Patents assigned to ABE MITSUSHI (2)· patent assignee history
2015–2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD122004–2018
ANDO RYUYAself32012–2017
ABE MITSUSHI22015–2017
HITACHI CAR ENG CO LTD22004–2005
HITACHI MEDICAL CORP22012–2015
Locations
LocationPatentsSpan
Hitachi, JP92004–2015
Tokyo, JP42015–2018
Ibaraki, JP12012