Inventor · disambiguated record
Masahiko Koizumi
Also filed as: KOIZUMI MASAHIKO
5 granted patents·2 pending applications·35 citations·filing 1999–2023
74Inventor score
Files withKOITO MFG CO LTD2SONY GROUP CORP2HITACHI GLOBAL STORAGE TECH NL1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1UNIV OSAKA1
Top patents by PatentIndex Score
7 records- 0174US7852589B2Disk driveHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Dec 14, 2010·3 cites·10 claims
- 0261US6280566B1Vibration welding apparatus having an easy to assemble jig structureKOITO MFG CO LTD·Filed 1999·Granted Aug 28, 2001·26 cites·4 claims
- 0360US6425431B1Welding method using heating plate and welding apparatus using the sameKOITO MFG CO LTD·Filed 2000·Granted Jul 30, 2002·6 cites·11 claims
- 0459US2005167512A1Secure device and information processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 0544US12493959B2Image analysis method, image analysis device, image analysis system, control program, and recording mediumUNIV OSAKA·Filed 2020·Granted Dec 9, 2025·0 cites·12 claims
- 0640US12418765B2Information processing apparatus, information processing terminal, information processing method, and programSONY GROUP CORP·Filed 2021·Granted Sep 16, 2025·0 cites·16 claims
- 0738US2025383833A1Audio reproduction device, audio reproduction method, and audio reproduction programSONY GROUP CORP·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →