Inventor · disambiguated record
Kenji Koiwa
Also filed as: KOIWA KENJI
4 granted patents·20 citations·filing 1973–2001
71Inventor score
Top patents by PatentIndex Score
4 records- 0157US6435072B2Rotary actuator with cushion mechanismSMC CORP·Filed 2001·Granted Aug 20, 2002·7 cites·6 claims
- 0255US6497172B2Rotary actuator with cushion mechanismSMC CORP·Filed 2001·Granted Dec 24, 2002·6 cites·7 claims
- 0340US3935925AHorn unit for a speakerKOIWA KENJI·Filed 1973·Granted Feb 3, 1976·7 cites·7 claims
- 0430US6431048B2Combination actuator with speed variable mechanismSMC CORP·Filed 2001·Granted Aug 13, 2002·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →