Inventor
Tadahiko Sakamoto
Inventor
Kawasaki, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer43%
H04LTransmission of digital information, e.g. telegraphic communication43%
H04HBroadcast communication14%
PatentTitleYear
7,406,128'Communication system using orthogonal frequency division multiplexed signal'20086,816,453'Communication system using orthogonal frequency division multiplexed signal'20046,650,600'Digital audio disc recorder'20036,600,700'Digital audio disc recorder'20036,515,948'Data recording and reproducing apparatus'20036,314,083'Frequency control device and method for frequency synchronization with multiplex signal by OFDM, receiving device, and communication device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to NIPPON COLUMBIA (1)· patent assignee history
2001–2003Based in Kawasaki, JP· patent location history
2003–2004Patents assigned to DENON LTD (4)· patent assignee history
2004–2008Based in Kanagawa, JP· patent location history
2008Patents assigned to D & M HOLDINGS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENON LTD | 4 | 2003–2004 |
| D & M HOLDINGS INC | 1 | 2008 |
| NIPPON COLUMBIA | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 4 | 2001–2003 |
| Kanagawa, JP | 2 | 2004–2008 |