Inventor · disambiguated record
Kazushi Tamura
Also filed as: TAMURA KAZUSHI
7 granted patents·7 pending applications·10 citations·filing 2014–2020
74Inventor score
Files withIDEMITSU KOSAN CO14
Top patents by PatentIndex Score
14 records- 0191US10155915B2Lubricating oil composition and method for reducing friction in internal combustion enginesIDEMITSU KOSAN CO·Filed 2016·Granted Dec 18, 2018·7 cites·8 claims
- 0285US11535808B2Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2019·Granted Dec 27, 2022·2 cites·18 claims
- 0377US10781395B2Lubricant composition for gasoline engine and method for producing sameIDEMITSU KOSAN CO·Filed 2016·Granted Sep 22, 2020·1 cites·12 claims
- 0462US2019169526A1Lubricant composition for gasoline engine and method for producing sameIDEMITSU KOSAN CO·Filed 2019·Application pending·0 cites
- 0559US11820954B2Lubricant composition for transmission, production method thereof, lubricating method using lubricant composition for transmission, and transmissionIDEMITSU KOSAN CO·Filed 2020·Granted Nov 21, 2023·0 cites·11 claims
- 0657US11572525B2Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2019·Granted Feb 7, 2023·0 cites·13 claims
- 0753US2016304802A1Lubricating oil composition for spark-ignition internal combustion engineIDEMITSU KOSAN CO·Filed 2014·Application pending·0 cites
- 0851US2021355404A1Lubricating oil base oil, lubricating oil composition, and method for using lubricating oil compositionIDEMITSU KOSAN CO·Filed 2019·Application pending·0 cites
- 0945US10865360B2Lubricating oil composition for engine equipped with supercharging mechanism, method for suppressing low-speed pre-ignition in engine equipped with supercharging mechanism using lubricating oil composition, and method for manufacturing lubricating oil compositionIDEMITSU KOSAN CO·Filed 2017·Granted Dec 15, 2020·0 cites·9 claims
- 1042US2018072961A1Lubricant oil composition for spark ignition type internal combustion engine, method for producing lubricant oil composition, spark ignition type internal combustion engine using lubricant oil composition, and method for lubricating internal combustion engineIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1142US2017158982A1Lubricating oil composition and method for producing sameIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1238US10584302B2Lubricating oil composition and method for manufacturing said lubricating oil compositionIDEMITSU KOSAN CO·Filed 2015·Granted Mar 10, 2020·0 cites·20 claims
- 1338US2016369201A1Lubricant oil compositionIDEMITSU KOSAN CO·Filed 2015·Application pending·0 cites
- 1433US2017121626A1Lubricant oil composition and internal-combustion-engine friction reduction methodIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →