Inventor · disambiguated record

Kenji Kumamaru

Also filed as: KUMAMARU KENJI

1 granted patent·1 pending application·1 citations·filing 2014–2019

16Inventor score

Technology areasB41J

Files withCANON KK2

Top patents by PatentIndex Score

2 records

0165US9102153B2Processes for producing substrate for liquid ejection headCANON KK·Filed 2014·Granted Aug 11, 2015·1 cites·13 claims
0240US2019263124A1Liquid ejection head substrate and method for producing liquid ejection head substrateCANON KK·Filed 2019·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →