Inventor
Kazumasa Takemura
Inventor
Neyagawa, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Sprimary
H04SStereophonic systems45%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers18%
G06FElectric digital data processing9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,814,091'Information processing apparatus and computer program product'20178,934,644'Channel divider, sound reproducing system including the channel divider, and method for setting crossover frequency of the channel divider'20157,801,312'Audio signal processing circuit'20107,242,782'Audio signal processing circuit'20076,956,954'Surround-sound processing system'20056,504,934'Apparatus and method for localizing sound image'20036,378,649'Speaker member and manufacturing method thereof'20026,067,360'Apparatus for localizing a sound image and a method for localizing the same'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2015Patents assigned to ONKYO KK (7)· patent assignee history
2000–2010Based in Neyagawa, JP· patent location history
2002–2015Based in Osaka, JP· patent location history
2017Patents assigned to RICOH CO LTD (1)· patent assignee history
2017Patents assigned to TAKEMURA KAZUMASA (1)· patent assignee history
2017Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ONKYO KK | 7 | 2000–2015 |
| RICOH CO LTD | 1 | 2017 |
| TAKEMURA KAZUMASAself | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neyagawa, JP | 5 | 2000–2010 |
| Osaka, JP | 2 | 2002–2015 |
| Kanagawa, JP | 1 | 2017 |