Inventor
Kaneyasu Shimoda
Inventor
Kawasaki, JP
Overview
Patents· 15 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 transducer40%
H03MCoding30%
H04LTransmission of digital information, e.g. telegraphic communication15%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses10%
B41BMachines or accessories for making, setting, or distributing type5%
PatentTitleYear
6,674,592'Demodulation method and demodulator'20046,654,413'Phase synchronization method for extended partial response, and phase synchronization circuit and read channel circuit using this method'20036,631,490'Encoding unit and decoding unit'20036,535,345'Signal processing apparatus and signal processing method'20036,122,120'Record reproduction apparatus'20006,003,153'Maximum likelihood detection method and information recording and reproducing apparatus'19995,917,862'Information reproducing apparatus and its automatic equalization maximum likelihood detecting method'19995,777,566'Encoding method for PRML system, method of and apparatus for demodulating code thereof, and PRML system'19985,774,286'Magnetic disk drive in which read data is demodulated using maximum likelihood detection method'19985,406,427'Clock generator for magnetic disk drive that switches between preamble and data portions'19955,373,257'Phase synchronization circuit having a loop filter including two voltage/current converters'19945,341,386'Viterbi equalizer and recording/reproducing device using the same'19945,014,275'Sequential decoder'19914,763,328'Viterbi decoder and method for testing the viterbi decoder'19884,710,746'Sequential decoding device for decoding systematic code'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2004Patents assigned to FUJITSU LTD (15)· patent assignee history
1987–2004Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 15 | 1987–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 15 | 1987–2004 |