Inventor
Takayuki Sugawara
Inventor
Fukushima, JP
Overview
Patents· 8 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 transducer64%
G06FElectric digital data processing9%
H03MCoding9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%
PatentTitleYear
11,132,434Signal processing device, signal processing method and computer readable medium20217,080,306'Disk device with improved error-correction capability'20066,724,552'Magnetic disk apparatus with lower probability of occurrence of read errors due to scratch or the like on magnetic disk surface'20046,545,832'Disk drive capable of rereading same signal from disk in case of error in read signal'20036,515,816'Medium distinguishing method of a disk used in a disk drive'20036,483,789'Data recording and/or reproducing apparatus and method for detecting sector defects'20026,223,321'Recording/reproduction system'20015,966,259'Magnetic recording medium formed in a plurality of tracks and magnetic recording-reproducing apparatus for the same'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2004Patents assigned to ALPS ELECTRIC CO LTD (6)· patent assignee history
1999Based in Iwaki, JP· patent location history
2001–2006Based in Fukushima, JP· patent location history
2002–2006Patents assigned to SONY CORP (4)· patent assignee history
2021Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALPS ELECTRIC CO LTD | 6 | 1999–2004 |
| SONY CORP | 4 | 2002–2006 |
| MITSUBISHI ELECTRIC CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukushima, JP | 6 | 2001–2006 |
| Tokyo, JP | 1 | 2021 |
| Iwaki, JP | 1 | 1999 |