Inventor · disambiguated record
Youichi Ogawa
Also filed as: OGAWA YOUICHI
10 granted patents·2 pending applications·77 citations·filing 1983–2022
86Inventor score
Files withPIONEER ELECTRONIC CORP4HITACHI MAXELL2KONICA MINOLTA INC1KONICA MINOLTA OPTO INC1NEC CORP1
Top patents by PatentIndex Score
12 records- 0182US4540897ADigital modulation signal reading devicePIONEER ELECTRONIC CORP·Filed 1983·Granted Sep 10, 1985·25 cites·6 claims
- 0276US4701902AAutomatic loading disc playerPIONEER ELECTRONIC CORP·Filed 1985·Granted Oct 20, 1987·20 cites·2 claims
- 0366US4879705AAutomatic loading disc playerPIONEER ELECTRONIC CORP·Filed 1988·Granted Nov 7, 1989·15 cites·12 claims
- 0463US4829502AAutomatic loading disc playerPIONEER ELECTRONIC CORP·Filed 1987·Granted May 9, 1989·12 cites·3 claims
- 0559US8416940B2Subscriber accommodating apparatus, transfer control method, communication system, and program productOGAWA YOUICHI·Filed 2008·Granted Apr 9, 2013·2 cites·20 claims
- 0652US7986604B2Optical element and optical pickup deviceKONICA MINOLTA OPTO INC·Filed 2007·Granted Jul 26, 2011·0 cites·11 claims
- 0746US11252377B2Camera device, gas leakage check system, gas leakage check method, and gas leakage check programKONICA MINOLTA INC·Filed 2019·Granted Feb 15, 2022·0 cites·20 claims
- 0846US2025095049A1Sales management apparatus, sales management method, and sales management systemNEC CORP·Filed 2022·Application pending·0 cites
- 0944US2008259248A1Multilens member, illumination apparatus, and liquid crystal display apparatusHITACHI MAXELL·Filed 2008·Application pending·0 cites
- 1040US8665425B2Eccentricity measuring methodOGURA KAZUYUKI·Filed 2011·Granted Mar 4, 2014·0 cites·12 claims
- 1130US9156196B2Method of manufacturing optical elementsSAKATA TADAFUMI·Filed 2010·Granted Oct 13, 2015·0 cites·6 claims
- 1229US5068144APerpendicular magnetic recording medium and method for producing the sameHITACHI MAXELL·Filed 1990·Granted Nov 26, 1991·3 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →