Inventor · disambiguated record
Ikuo Kasuga
Also filed as: KASUGA IKUO
16 granted patents·231 citations·filing 1985–2000
94Inventor score
Top patents by PatentIndex Score
16 records- 0188US4998802AObjective lens driving device in an optical pickupSANKYO SEIKI SEISAKUSHO KK·Filed 1989·Granted Mar 12, 1991·37 cites·18 claims
- 0276US5488594AObjective actuator for positioning an optical pick-up deviceSANKYO SEIKI SEISAKUSHO KK·Filed 1993·Granted Jan 30, 1996·24 cites·10 claims
- 0373US6584061B2Optical pick-up deviceSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Jun 24, 2003·10 cites·7 claims
- 0473US6369963B1Optical pickup apparatusSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Apr 9, 2002·10 cites·17 claims
- 0573US4664476AMagnetic objective lens driving apparatus with pivotSANKYO SEIKI SEISAKUSHO KK·Filed 1985·Granted May 12, 1987·19 cites·4 claims
- 0671US5496993AOptical pickup device with wedge shaped and concave lens for correcting a coma and astigmatismSANKO SEIKI SEISAKUSHO KK·Filed 1993·Granted Mar 5, 1996·22 cites·5 claims
- 0766US4968874AOptical pickup with astigmatism correcting lensSANKYO SEIKI SEISAKUSHO KK·Filed 1989·Granted Nov 6, 1990·25 cites·9 claims
- 0863US4962999AOptical pick-up deviceSANKYO SEIKI SEISAKUSHO KK·Filed 1988·Granted Oct 16, 1990·12 cites·19 claims
- 0961US5761174AOptical pickup device with split hologram element that diffracts light in direction parallel to trackSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Jun 2, 1998·16 cites·17 claims
- 1060US5541898ADevice for driving an objective lensSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Jul 30, 1996·16 cites·18 claims
- 1159US5599864APolyarylene sulfide resin composition and optical pick-up parts formed from the sameSANKYO SEIKI SEISAKUSHO KK·Filed 1994·Granted Feb 4, 1997·11 cites·14 claims
- 1258US6522619B2Optical pick-up device having a plurality of light sources with different calorific values and method of manufacturing the sameSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Feb 18, 2003·4 cites·8 claims
- 1357US6798819B1Optical pickup apparatus and method of manufacturing the sameSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Sep 28, 2004·3 cites·7 claims
- 1453US5844881AObjective lens driving device capable of holding an objective lens at a specific neutral pointSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Dec 1, 1998·11 cites·4 claims
- 1547US6125091AOptical pickup apparatus for use with various types of optical disksSANKYO SEIKI SEISAKUSHO KK·Filed 1998·Granted Sep 26, 2000·8 cites·5 claims
- 1633US5517362AOptical pickup deviceSANKYO SEIKI SEISAKUSHO KK·Filed 1994·Granted May 14, 1996·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →