Inventor · disambiguated record
Yoshifumi Tsukada
Also filed as: TSUKADA YOSHIFUMI
6 granted patents·55 citations·filing 1995–1999
83Inventor score
Technology areasG11B
Files withPIONEER ELECTRONIC CORP6
Top patents by PatentIndex Score
6 records- 0170US5619484APulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical discPIONEER ELECTRONIC CORP·Filed 1995·Granted Apr 8, 1997·21 cites·2 claims
- 0255US5671201APulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical discPIONEER ELECTRONIC CORP·Filed 1996·Granted Sep 23, 1997·10 cites·16 claims
- 0351US5646921AMethod and apparatus for reproducing information recorded on CLV disc type record mediumPIONEER ELECTRONIC CORP·Filed 1995·Granted Jul 8, 1997·10 cites·26 claims
- 0448US6262964B1Disc player with objective lens arranged in a zigzag patternPIONEER ELECTRONIC CORP·Filed 1999·Granted Jul 17, 2001·5 cites·9 claims
- 0547US5677904ADisc playerPIONEER ELECTRONIC CORP·Filed 1995·Granted Oct 14, 1997·5 cites·12 claims
- 0644US5848049ADisc player with parallel objective lensesPIONEER ELECTRONIC CORP·Filed 1997·Granted Dec 8, 1998·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →