Inventor · disambiguated record
Susumu Yamakawa
Also filed as: YAMAKAWA SUSUMU
5 granted patents·1 pending application·340 citations·filing 1981–2014
84Inventor score
Top patents by PatentIndex Score
6 records- 0193US4983145AApparatus for automatically tensioning a drive beltMITSUBOSHI BELTING LTD·Filed 1989·Granted Jan 8, 1991·61 cites·29 claims
- 0293US4464786ASystem for identifying currency noteTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Aug 7, 1984·228 cites·17 claims
- 0377US5195932ACompact coil spring tensionerMITSUBOSHI BELTING·Filed 1989·Granted Mar 23, 1993·31 cites·22 claims
- 0447US5362280APower transmission systemMITSUBOSHI BELTING LTD·Filed 1992·Granted Nov 8, 1994·11 cites·22 claims
- 0541US2016140592A1Benefit awarding system, server device, and benefit awarding methodASE CO LTD·Filed 2014·Application pending·0 cites
- 0636US4920788ARotation variation testing machineMITSUBOSHI BELTING LTD·Filed 1988·Granted May 1, 1990·9 cites·30 claims
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