Inventor
Sadatoshi Hisamoto
Inventor
Neyagawa, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers27%
H03KPulse technique18%
H03FAmplifiers9%
H03GControl of amplification9%
H04BTransmission9%
H04SStereophonic systems9%
H05KPrinted circuits9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
PatentTitleYear
10,805,732Diaphragm or dust cap and speaker unit20208,391,512'Broadcast wave receiving system'20138,036,409'Speaker cabinet and speaker using the same'20117,567,684'Speaker diaphragm and speaker using the same'20097,102,405'Pulse-width modulation circuit and switching amplifier using the same'20066,984,887'Heatsink arrangement for semiconductor device'20066,956,954'Surround-sound processing system'20056,765,449'Pulse width modulation circuit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2020Patents assigned to ONKYO KK (8)· patent assignee history
2004–2020Based in Osaka, JP· patent location history
2005–2013Based in Neyagawa, JP· patent location history
2011Patents assigned to TAKAMINE GAKKI CO LTD (1)· patent assignee history
2013Patents assigned to HISAMOTO SADATOSHI (1)· patent assignee history
2013Patents assigned to MINAKAWA ATSUSHI (1)· patent assignee history
2013Patents assigned to TOYAMA TETSUYA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ONKYO KK | 8 | 2004–2020 |
| HISAMOTO SADATOSHIself | 1 | 2013 |
| MINAKAWA ATSUSHI | 1 | 2013 |
| TAKAMINE GAKKI CO LTD | 1 | 2011 |
| TOYAMA TETSUYA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neyagawa, JP | 6 | 2005–2013 |
| Osaka, JP | 2 | 2004–2020 |