Inventor · disambiguated record
Tomohisa Handa
Also filed as: HANDA TOMOHISA
5 granted patents·62 citations·filing 1991–2017
74Inventor score
Top patents by PatentIndex Score
5 records- 0188US5181485AValve driving mechanism for double overhead camshaft engineMAZDA MOTOR·Filed 1991·Granted Jan 26, 1993·57 cites·11 claims
- 0284US10208638B2Apparatus and method for diagnosing lubricant degradation in internal combustion engineMAZDA MOTOR·Filed 2017·Granted Feb 19, 2019·4 cites·11 claims
- 0368US10329973B2Engine oil deterioration diagnosis deviceMAZDA MOTOR·Filed 2017·Granted Jun 25, 2019·1 cites·4 claims
- 0453US7957519B2Private branch exchange system and method for control thereofPANASONIC CORP·Filed 2008·Granted Jun 7, 2011·0 cites·6 claims
- 0546US7463728B2Private branch exchangePANASONIC CORP·Filed 2004·Granted Dec 9, 2008·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →