Inventor
Hiroo Adachi
Inventor
Saitama, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers18%
H03GControl of amplification18%
G01RMeasuring electric variables9%
G11BInformation storage based on relative movement between record carrier and transducer9%
H02KDynamo-electric machines9%
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 systems9%
H04BTransmission9%
H04SStereophonic systems9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
PatentTitleYear
10,910,923Rotating electric machine and defect detection method for rotating electric machine20215,414,386'Muting apparatus in car audio system'19955,191,512'Heat sink/circuit board assembly'19935,170,081'Ground isolation circuit'19924,860,361'Acoustic-device cooling unit'19894,618,834'Variable characteristics amplifier circuit'19864,584,536'Balance control circuit'19864,334,263'Separately excited DC-DC converter having feedback circuit with temperature compensating effect'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1995Patents assigned to PIONEER ELECTRONIC CORP (7)· patent assignee history
1982–1995Based in Kawagoe, JP· patent location history
1986–1992Based in Saitama, JP· patent location history
2021Patents assigned to MITSUBISHI POWER LTD (1)· patent assignee history
2021Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 7 | 1982–1995 |
| MITSUBISHI POWER LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 4 | 1986–1992 |
| Kawagoe, JP | 3 | 1982–1995 |
| Yokohama, JP | 1 | 2021 |