Inventor · disambiguated record
Ryuji Ishikawa
Also filed as: ISHIKAWA RYUJI
4 granted patents·1 pending application·47 citations·filing 1976–2012
76Inventor score
Top patents by PatentIndex Score
5 records- 0181US8980078B2Electrodeposition coating compositionINBE TOSHIO·Filed 2012·Granted Mar 17, 2015·4 cites·9 claims
- 0280US4139675ARecording paper with resin-containing recording layer and heat sensitive adhesion layerJUJO PAPER CO LTD·Filed 1976·Granted Feb 13, 1979·21 cites·16 claims
- 0376US8203245B2Motor rotor, having magnet holding projectionsISHIKAWA RYUJI·Filed 2009·Granted Jun 19, 2012·11 cites·10 claims
- 0464US7391765B2Congestion control system for VoIP networkFUJITSU LTD·Filed 2002·Granted Jun 24, 2008·11 cites·28 claims
- 0542US2013003324A1Electronic control unit and vehicle steering systemJTEKT CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →