Inventor · disambiguated record

Masao Shionoya

Also filed as: SHIONOYA MASAO

2 granted patents·24 citations·filing 1993–2001

57Inventor score

Technology areasB41J G03G

Files withOLYMPUS OPTICAL CO2

Top patents by PatentIndex Score

2 records

0177US6550894B2Ink bottleOLYMPUS OPTICAL CO·Filed 2001·Granted Apr 22, 2003·22 cites·18 claims
0228US5436102AMagnetic developing agent and electrophotographic apparatus using said agentOLYMPUS OPTICAL CO·Filed 1993·Granted Jul 25, 1995·2 cites·27 claims

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Masao Shionoya — Patent Inventor | PatentIndex