Inventor
Shintaro Suzumura
Inventor
Yokohama, JP
Overview
Patents· 9 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 transducer50%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses17%
H03FAmplifiers11%
H03DDemodulation or transference of modulation from one carrier to another6%
H03KPulse technique6%
H03MCoding6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
6,980,385'Apparatus for information recording and reproducing'20056,791,776'Apparatus for information recording and reproducing'20046,700,721'Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same comprising a read/write signal processor having an interleave write data generator'20046,452,736'Magnetic recording and reproducing apparatus and a read/write amplifier having a signal transmission system with high speed of data write signal'20025,937,020'Digital information signal reproducing circuit and digital information system'19995,872,666'Decoder circuitry with PRML signal processing for reproducing apparatus'19995,867,333'Data recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage source'19995,677,802'Phase locked loop circuit with adjustable offset characteristic, method for adjustment and apparatus'19975,157,354'Phase-locked loop IC having ECL buffers'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2004Patents assigned to HITACHI LTD (8)· patent assignee history
1992–2004Patents assigned to HITACHI VIDEO & INF SYST (2)· patent assignee history
1992–2005Based in Yokohama, JP· patent location history
2005Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1992–2004 |
| HITACHI VIDEO & INF SYST | 2 | 1992–2004 |
| HITACHI GLOBAL STORAGE TECH | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 9 | 1992–2005 |