Inventor
Shuichi Obata
Inventor
Kyoto, JP
Overview
Patents· 11 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 transducers50%
G11BInformation storage based on relative movement between record carrier and transducer25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
H02KDynamo-electric machines8%
LOCD18%
PatentTitleYear
5,073,946'Thin speaker having an enclosure with an open portion and a closed portion'19915,025,474'Speaker system with image projection screen'19914,924,962'Sound reproducing apparatus for use in vehicle'19904,899,390'Thin speaker having an enclosure within an open portion and a closed portion'19904,330,884'Pickup arm device'19824,302,692'Rotational speed signal sensor'1981D0261882'Record player'19814,276,635'Pickup cartridge and mounting device therefor'19814,263,483'Moving coil pick-up assembly for use in a record player'19814,203,606'Pickup arm device'19803,975,025'Pickup cartridge'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (11)· patent assignee history
1976–1991Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 11 | 1976–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 11 | 1976–1991 |