Inventor
Kiyofumi Inanaga
Inventor
Kanagawa, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Sprimary
H04SStereophonic systems43%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers36%
G10KSound-producing devices7%
A61FFilters implantable into blood vessels2%
A63FCard, board, or roulette games2%
G01CMeasuring distances, levels or bearings2%
G02BOptical elements, systems or apparatus2%
G06FElectric digital data processing2%
H03HImpedance networks, e.g. resonant circuits2%
PatentTitleYear
7,567,682'Audio processing apparatus'20097,502,477'Audio reproducing apparatus'20096,968,062'Transmitter of infrared transmission system and reproducing apparatus comprising headphone device'20056,928,179'Audio processing apparatus'20056,021,205'Headphone device'20005,959,597'Image/audio reproducing system'19995,844,816'Angle detection apparatus and audio reproduction apparatus using it'19985,796,843'Video signal and audio signal reproducing apparatus'19985,761,314'Audio reproducing apparatus and headphone'19985,757,931'Signal processing apparatus and acoustic reproducing apparatus'19985,717,767'Angle detection apparatus and audio reproduction apparatus using it'19985,717,727'Digital filter and apparatus for reproducing sound using the digital filter'19985,696,420'Vibration type gyroscope apparatus'19975,696,831'Audio reproducing apparatus corresponding to picture'19975,687,239'Audio reproduction apparatus'19975,590,094'System and methd for reproducing sound'19965,526,429'Headphone apparatus having means for detecting gyration of user\'s head'19965,495,534'Audio signal reproducing apparatus'19965,452,359'Acoustic signal reproducing apparatus'19955,367,506'Sound collecting system and sound reproducing system'19945,276,740'Earphone device'19945,228,089'Hearing aid'19935,181,248'Acoustic signal reproducing apparatus'19935,062,140'Induction speaker'19915,022,486'Sound reproducing apparatus'19914,176,249'Deleterious mechanical vibrations from dynamic loudspeaker offset by additional dynamic device'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2009Patents assigned to SONY CORP (26)· patent assignee history
1979Based in Tokyo, JP· patent location history
1991–2009Based in Kanagawa, JP· patent location history
1996Based in Kitashinagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 26 | 1979–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 24 | 1991–2009 |
| Kitashinagawa, JP | 1 | 1996 |
| Tokyo, JP | 1 | 1979 |