Inventor
Hisakazu Katoh
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication56%
H04NPictorial communication, e.g. television19%
H03JTuning resonant circuits6%
H03MCoding6%
H04HBroadcast communication6%
H04JMultiplex communication6%
PatentTitleYear
6,813,321'Digital demodulator'20046,788,654'Digital data receiver'20046,748,037'Digital broadcasting receiver'20046,710,814'Digital broadcast receiving system for detecting short-breaks and holding information based on same'20046,700,940'Carrier reproduction circuit'20046,678,336'Hierarchical transmission digital demodulator'20046,639,951'Digital demodulator'20036,526,107'Synchronization acquiring circuit'20036,512,759'Transmitter and receiver'20036,490,010'AFC circuit, carrier recovery circuit and receiver device capable of regenerating a carrier reliably even at the time of low C/N ratio'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2004Based in Tokyo, JP· patent location history
2003–2004Patents assigned to KENWOOD CORP (6)· patent assignee history
2003–2004Patents assigned to JAPAN BROADCASTING CORP (3)· patent assignee history
2004Patents assigned to SHARP KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KENWOOD CORP | 6 | 2003–2004 |
| JAPAN BROADCASTING CORP | 3 | 2003–2004 |
| SHARP KK | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2002–2004 |