Inventor
Susumu Tadakuma
Inventor
Atsugi, 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 converters42%
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 systems25%
G06NComputing arrangements based on specific computational models8%
H02JElectric power networks8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,504,667'Power conversion system'19965,365,158'Driving control apparatus for induction motor'19945,003,243'Control apparatus for induction machine'19914,760,321'AC motor drive apparatus'19884,529,925'Reactive power compensating cycloconverter'19854,418,380'Method and apparatus for controlling the circulating current of a cycloconverter'19833,942,085'Control apparatus of DC motors'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1976Based in Yokohama, JP· patent location history
1983–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history
1983–1985Based in Yamato, JP· patent location history
1988–1996Patents assigned to TOSHIBA KK (4)· patent assignee history
1988–1994Based in Atsugi, JP· patent location history
1996Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 4 | 1988–1996 |
| TOKYO SHIBAURA ELECTRIC CO | 2 | 1983–1985 |
| AGENCY IND SCIENCE TECHN | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Atsugi, JP | 3 | 1988–1994 |
| Yamato, JP | 2 | 1983–1985 |
| Kanagawa, JP | 1 | 1996 |
| Yokohama, JP | 1 | 1976 |