Inventor
Kiyoshi Eguchi
Inventor
Fukuyama, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches33%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power17%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%
F16JPistons6%
G01RMeasuring electric variables6%
H01FMagnets6%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,022,660'Control apparatus for AC rotary machine'20117,432,616'Inverter device'20087,005,825'Motor controller'20066,937,488'Power supply and method for generating switching signal for turning on/off switching element of converter unit constituting power supply'20055,360,674'Permanent magnet coated with Ni or Ni alloy having a specific cell structure and growth pattern'19944,989,885'Magnetic fluid retainer, and shaft sealer employing same'19914,655,538'Terminal connecting device for pulling-type breaker'19874,497,992'Air circuit breaker'19854,486,814'Drawer-type circuit breaker'19844,475,021'Air circuit breaker'19844,468,082'Terminal assembly for circuit interrupter'19844,468,081'Terminal assembly for circuit interrupter'19844,468,533'Air circuit breaker'19844,446,347'Arc-suppressing apparatus for circuit breaker'19844,412,112'Drawer-type circuit breaker'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2011Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history
1983–1987Based in Hiroshima, JP· patent location history
1984–1985Based in Fukuyama, JP· patent location history
1991–1994Patents assigned to HITACHI METALS LTD (2)· patent assignee history
1991–1994Based in Kumagaya, JP· patent location history
2005–2011Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 13 | 1983–2011 |
| HITACHI METALS LTD | 2 | 1991–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuyama, JP | 5 | 1984–1985 |
| Tokyo, JP | 4 | 2005–2011 |
| Hiroshima, JP | 4 | 1983–1987 |
| Kumagaya, JP | 2 | 1991–1994 |