Inventor · disambiguated record
Yoshifumi Masunaga
Also filed as: MASUNAGA YOSHIFUMI
8 granted patents·130 citations·filing 1989–1997
87Inventor score
Technology areasG11B
Files withPIONEER ELECTRONIC CORP8
Top patents by PatentIndex Score
8 records- 0185US5103438AOptical pickup device having yoke with a central u-shaped base and inverted u-shaped portions connected theretoPIONEER ELECTRONIC CORP·Filed 1989·Granted Apr 7, 1992·41 cites·7 claims
- 0281US5056891AMethod of preparing information reading apparatus and objective lens suspension bodyPIONEER ELECTRONIC CORP·Filed 1990·Granted Oct 15, 1991·35 cites·10 claims
- 0369US5264968ALens drive apparatus in optical pickup and method of producing the samePIONEER ELECTRONIC CORP·Filed 1992·Granted Nov 23, 1993·19 cites·14 claims
- 0462US4951277AOptical disk playerPIONEER ELECTRONIC CORP·Filed 1989·Granted Aug 21, 1990·16 cites·8 claims
- 0543US5734631ADisc player and method of reproducing the samePIONEER ELECTRONIC CORP·Filed 1995·Granted Mar 31, 1998·6 cites·12 claims
- 0641US5850313AObjective lens driving device and a method for manufacturing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Dec 15, 1998·6 cites·13 claims
- 0735US5748579AOptical pickup for magneto optical recording apparatusPIONEER ELECTRONIC CORP·Filed 1996·Granted May 5, 1998·4 cites·4 claims
- 0834US5703864APickup device for otpical diskPIONEER ELECTRONIC CORP·Filed 1996·Granted Dec 30, 1997·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →