Inventor · disambiguated record

Yoichi Zenno

Also filed as: ZENNO YOICHI

7 granted patents·19 citations·filing 1997–2001

79Inventor score

Technology areasG11B

Files withVICTOR COMPANY OF JAPAN7

Top patents by PatentIndex Score

7 records

0148US6191900B1Digital signal recording and reproducing apparatus and recording mediumVICTOR COMPANY OF JAPAN·Filed 1998·Granted Feb 20, 2001·9 cites·6 claims
0242US6288857B2Digital signal recording apparatus, and related methodVICTOR COMPANY OF JAPAN·Filed 2001·Granted Sep 11, 2001·0 cites·3 claims
0338US6198585B1Digital signal recording apparatus, and related methodVICTOR COMPANY OF JAPAN·Filed 1998·Granted Mar 6, 2001·3 cites·13 claims
0435US6504991B1Magnetic recording apparatus, magnetic reproducing apparatus, and related methodsVICTOR COMPANY OF JAPAN·Filed 1999·Granted Jan 7, 2003·3 cites·7 claims
0533US6084737AMagnetic playback systemVICTOR COMPANY OF JAPAN·Filed 1997·Granted Jul 4, 2000·2 cites·15 claims
0633US6052246AMethod and apparatus for recording digital signals in the form of primary data plus auxiliary informationVICTOR COMPANY OF JAPAN·Filed 1997·Granted Apr 18, 2000·2 cites·14 claims
0728US6122432AInformation signal recording apparatusVICTOR COMPANY OF JAPAN·Filed 1998·Granted Sep 19, 2000·0 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →