Inventor · disambiguated record
Yuzo Yamakawa
Also filed as: YAMAKAWA YUZO
5 granted patents·1 pending application·86 citations·filing 1992–2007
80Inventor score
Top patents by PatentIndex Score
6 records- 0191US6848115B2Optical recording medium using scattering bodies to enhance modulationPIONEER CORP·Filed 2001·Granted Jan 25, 2005·39 cites·25 claims
- 0281US6839191B2Optical near-field generating element and optical apparatus including the samePIONEER CORP·Filed 2002·Granted Jan 4, 2005·28 cites·30 claims
- 0373US6970307B2Optical near-field generating element and optical apparatus including the samePIONEER CORP·Filed 2004·Granted Nov 29, 2005·8 cites·15 claims
- 0457US5337301AOptical recording medium, apparatus for reproducing the same and method of recording and reproducing the samePIONEER ELECTRONIC CORP·Filed 1992·Granted Aug 9, 1994·11 cites·14 claims
- 0545US2010142362A1High density optical disk and reproduction/tracking control methodKURIHARA KAZUMA·Filed 2006·Application pending·0 cites
- 0633US8097323B2Optical recording mediumSHIMA TAKAYUKI·Filed 2007·Granted Jan 17, 2012·0 cites·7 claims
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