Inventor · disambiguated record
Soichi Hara
Also filed as: HARA SOICHI
8 granted patents·147 citations·filing 1987–1998
88Inventor score
Files withAISIN SEIKI8
Top patents by PatentIndex Score
8 records- 0182US4776075AMethod for manufacturing piston of internal combustion engineAISIN SEIKI·Filed 1987·Granted Oct 11, 1988·19 cites·4 claims
- 0270US5195478APiston for an internal combustion engineAISIN SEIKI·Filed 1991·Granted Mar 23, 1993·27 cites·17 claims
- 0370US5054375APiston for internal combustion engineAISIN SEIKI·Filed 1990·Granted Oct 8, 1991·30 cites·4 claims
- 0469US5014658APiston assembly having a fusible core to form a cooling channel and a method for the manufacture thereofAISIN SEIKI·Filed 1990·Granted May 14, 1991·20 cites·7 claims
- 0560US5996471AAluminum alloy for internal-combustion piston, and aluminum alloy pistonAISIN SEIKI·Filed 1998·Granted Dec 7, 1999·16 cites·8 claims
- 0654US5737838AMethod of making a piston unit for an internal combustion engineAISIN SEIKI·Filed 1996·Granted Apr 14, 1998·18 cites·6 claims
- 0747US4870733AManufacturing method of a piston for an internal combustion engineAISIN SEIKI·Filed 1988·Granted Oct 3, 1989·10 cites·4 claims
- 0837US5052281AInternal combustion engine piston with top-land circumferential projection arrangementAISIN SEIKI·Filed 1990·Granted Oct 1, 1991·7 cites·9 claims
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