Inventor · disambiguated record
Shunji Kumagai
Also filed as: KUMAGAI SHUNJI
3 granted patents·58 citations·filing 1998–2020
71Inventor score
Files withMITSUBA CORP3
Top patents by PatentIndex Score
3 records- 0191US11719310B2Speed reduction mechanism and speed reduction mechanism-equipped motorMITSUBA CORP·Filed 2020·Granted Aug 8, 2023·3 cites·4 claims
- 0288US7557484B2Electric motorMITSUBA CORP·Filed 2005·Granted Jul 7, 2009·21 cites·2 claims
- 0375US6222298B1Carbon commutator and method for producing the sameMITSUBA CORP·Filed 1998·Granted Apr 24, 2001·34 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →