Inventor
Susumu Seyoshi
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Hprimary
H02HEmergency protective circuit arrangements50%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
PatentTitleYear
4,127,743'Muting circuit for loudspeaker'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to PIONEER ELECTRONIC CORP (1)· patent assignee history
1978Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 1978 |