Inventor · disambiguated record
Yasumasa Shibata
Also filed as: SHIBATA YASUMASA
7 granted patents·86 citations·filing 1990–2009
82Inventor score
Files withIDEMITSU PETROCHEMICAL CO2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2IDEMITSU KOSAN CO1UEDA YASUO1YAMAZAKI MASAHIRO1
Top patents by PatentIndex Score
7 records- 0187US5905255AObjective lens driverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 18, 1999·60 cites·18 claims
- 0275US7691314B2Method of injection compression moldingIDEMITSU KOSAN CO·Filed 2005·Granted Apr 6, 2010·6 cites·6 claims
- 0362US8134839B2Junction structure of substrate and joining method thereofYAMAZAKI MASAHIRO·Filed 2009·Granted Mar 13, 2012·2 cites·10 claims
- 0457US5156860AApparatus for manufacturing an optical disk substrate by injection moldingIDEMITSU PETROCHEMICAL CO·Filed 1991·Granted Oct 20, 1992·14 cites·4 claims
- 0546US8068388B2Optical pick up and optical disc device having optical shield for suppressing the influence of stray light through hologram elementUEDA YASUO·Filed 2006·Granted Nov 29, 2011·0 cites·11 claims
- 0627US5416640AObjective actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 16, 1995·0 cites·6 claims
- 0727US5059461AOptical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrateIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Oct 22, 1991·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →