Inventor · disambiguated record
Kazunobu Chiba
Also filed as: CHIBA KAZUNOBU
13 granted patents·136 citations·filing 1991–1997
92Inventor score
Files withSONY CORP13
Top patents by PatentIndex Score
13 records- 0180US5253122ARecording of digital video signals on a magnetic medium having a particular energy product and surface roughnessSONY CORP·Filed 1991·Granted Oct 12, 1993·30 cites·4 claims
- 0275US5247397AMethod for magnetically recording digital video signals with specified ranges of the easy axis and the bias magnetic fieldSONY CORP·Filed 1991·Granted Sep 21, 1993·24 cites·13 claims
- 0362US5349478AMagnetic recording and/or reproducing method having a double azimuth head arrangementSONY CORP·Filed 1993·Granted Sep 20, 1994·13 cites·7 claims
- 0460US5571595AMagnetic recording medium and method for production thereofSONY CORP·Filed 1992·Granted Nov 5, 1996·13 cites·13 claims
- 0558US5976668ABase film for magnetic recording medium and magnetic recording medium using sameSONY CORP·Filed 1997·Granted Nov 2, 1999·14 cites·13 claims
- 0651US5672425AMagnetic recording medium and a method of fabricating the sameSONY CORP·Filed 1992·Granted Sep 30, 1997·8 cites·24 claims
- 0741US5347406ADigital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughnessSONY CORP·Filed 1993·Granted Sep 13, 1994·6 cites·13 claims
- 0840US5906880AMagnetic recording mediumSONY CORP·Filed 1996·Granted May 25, 1999·8 cites·13 claims
- 0939US5384666ADigital picture signal recording apparatus in which a field interval is recorded in a plurality of tracks exhibiting a track pitch no greater than 5.5 μm by a rotary drum having a diameter no greater than 25 mm and a rotary speed no less than 150 rpsSONY CORP·Filed 1991·Granted Jan 24, 1995·6 cites·5 claims
- 1038US5835673ADigital signal recording on a magnetic recording medium having a non-magnetic base and magnetic metal film of certain characteristicsSONY CORP·Filed 1997·Granted Nov 10, 1998·4 cites·7 claims
- 1135US5512349AMethod and apparatus for magnetic recording digital video signals and magnetic recording medium thereforSONY CORP·Filed 1994·Granted Apr 30, 1996·3 cites·4 claims
- 1234US5525419AMagnetic recording mediumSONY CORP·Filed 1995·Granted Jun 11, 1996·4 cites·1 claims
- 1325US5925404AManufacturing method of magnetic material for metallic thin film magnetic recording media and metallic thin film magnetic recording mediumSONY CORP·Filed 1997·Granted Jul 20, 1999·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →