Inventor
Masuo Goto
Inventor
Hitachi, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters29%
H02JElectric power networks14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
B22DCasting of metals7%
B28BShaping clay or other ceramic compositions7%
C04BLime, magnesia7%
F03BMachines or engines for liquids7%
H02HEmergency protective circuit arrangements7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
4,742,288'Control system for AC motor/generator of secondary AC excitation type'19884,564,493'Method of manufacturing a casting nozzle brick'19864,245,182'Excitation control apparatus for a generator'19814,129,818'Excitation control apparatus suited for normal stop operation of synchronous generators'19784,118,749'Field overvoltage protecting apparatus for synchronous machine'19784,109,160'Control system for hydroelectric power station system'19783,936,722'Field excitation control system for the synchronous generator'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1988Patents assigned to HITACHI LTD (6)· patent assignee history
1976–1988Based in Hitachi, JP· patent location history
1986Patents assigned to KUROSAKI REFRACTORIES CO (1)· patent assignee history
1986Patents assigned to KUROSAKI ROZAI CO LTD (1)· patent assignee history
1986Based in Okayama, JP· patent location history
1988Patents assigned to KANSAI ELECTRIC POWER CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1976–1988 |
| KANSAI ELECTRIC POWER CO | 1 | 1988 |
| KUROSAKI REFRACTORIES CO | 1 | 1986 |
| KUROSAKI ROZAI CO LTD | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 6 | 1976–1988 |
| Okayama, JP | 1 | 1986 |