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Inventor

Michiyuki Takagi

Inventor
Ushiku, JP

Overview

8→
Patents
1985–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 8 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps29%
F16CShafts21%
F01DNon-positive displacement machines or engines, e.g. steam turbines14%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%
F16JPistons7%
H02KDynamo-electric machines7%
H03HImpedance networks, e.g. resonant circuits7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
8,388,311'Turbomachinery'20137,518,277'Electric motor'20096,749,397'Fluidal machine'20046,568,904'Fluidal machine'20034,992,714'Band pass filter device and a method of filtering using such a device'19914,841,212'Electromagnetic bearing control apparatus'19894,697,128'Control apparatus for a rotor supported by an electromagnetic bearing'19874,493,610'Axial thrust balancing system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2013Patents assigned to HITACHI LTD (8)· patent assignee history
1985–1987Based in Ibaraki, JP· patent location history
1989–2013Based in Ushiku, JP· patent location history
2003–2004Patents assigned to HITACHI TECHNO ENG (2)· patent assignee history
2009Based in Hitachinaka, JP· patent location history
2013Patents assigned to KUDO TAKESHI (1)· patent assignee history
2013Patents assigned to MAGARA YOHEI (1)· patent assignee history
2013Patents assigned to MURATA KENICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD81985–2013
HITACHI TECHNO ENG22003–2004
KUDO TAKESHI12013
MAGARA YOHEI12013
MURATA KENICHI12013
Locations
LocationPatentsSpan
Ushiku, JP51989–2013
Ibaraki, JP21985–1987
Hitachinaka, JP12009