Inventor
Joji Kasai
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 systems56%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems22%
H03FAmplifiers11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
7,801,312'Audio signal processing circuit'20107,466,568'Switching power supply circuit'20087,242,782'Audio signal processing circuit'20077,224,217'Switching amplifier'20076,956,954'Surround-sound processing system'20056,912,140'Switching power supply'20056,504,934'Apparatus and method for localizing sound image'20036,067,360'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.
2000–2010Patents assigned to ONKYO KK (8)· patent assignee history
2000–2010Based in Neyagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ONKYO KK | 8 | 2000–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neyagawa, JP | 8 | 2000–2010 |