Inventor · disambiguated record
Hiroyoshi Yoshikawa
Also filed as: YOSHIKAWA HIROYOSHI
2 granted patents·3 pending applications·15 citations·filing 1984–2003
57Inventor score
Technology areasG11B
Files withVICTOR COMPANY OF JAPAN2
Top patents by PatentIndex Score
5 records- 0167US7212483B2Modulation device, modulation method and recording mediumVICTOR COMPANY OF JAPAN·Filed 2003·Granted May 1, 2007·8 cites·36 claims
- 0246US4638374ADefect detecting apparatus for a rotary recording mediumVICTOR COMPANY OF JAPAN·Filed 1984·Granted Jan 20, 1987·7 cites·6 claims
- 0333US2004098656A1Digital information signal recording method and recording mediumFiled 2003·Application pending·0 cites
- 0432US2003193858A1Apparatus and method for preparing modified data to prevent unauthorized reading/execution of original dataFiled 2003·Application pending·0 cites
- 0532US2003169662A1Information recording medium, information recording medium authenticity checking method, information recording medium authenticity checking program, information recording medium sector reading method, and information recording medium sector reading programFiled 2003·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →