Inventor
Kenji Nandoh
Inventor
Matsudo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems50%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters25%
H02HEmergency protective circuit arrangements17%
H03KPulse technique8%
PatentTitleYear
6,058,036'Inverter apparatus having operation specifications determined by type of I/O block which is connected to basic control unit'20005,121,283'Overcurrent protective circuit for electrostatic self-turn-off devices'19924,779,183'Method and apparatus for selectively controlling an operation mode of a PWM inverter between an asychronous mode and a synchronous mode modulation'19884,767,976'Control system for PWM inverter'19884,688,162'Rectifier control apparatus with improved power factor'19874,622,628'PWM inverter apparatus with digital control'19864,527,214'Power inverter with overload protection apparatus'19854,480,299'Method of controlling the output voltage of a pulse width modulation inverter'19844,451,112'Method and apparatus for controlling AC motor'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2000Patents assigned to HITACHI LTD (9)· patent assignee history
1984–1985Based in Funabashi, JP· patent location history
1986–2000Based in Matsudo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 9 | 1984–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsudo, JP | 6 | 1986–2000 |
| Funabashi, JP | 3 | 1984–1985 |