Inventor · disambiguated record
Masachika Arao
Also filed as: ARAO MASACHIKA
2 granted patents·2 pending applications·33 citations·filing 1975–2004
61Inventor score
Top patents by PatentIndex Score
4 records- 0168US3955365AFluid coupled drive apparatusGARRETT CORP·Filed 1975·Granted May 11, 1976·25 cites·5 claims
- 0230US5007387AFour valve per cylinder engine headARAO MASACHIKA·Filed 1990·Granted Apr 16, 1991·8 cites·4 claims
- 0324US2004035377A1Two-stroke cycle, free piston, shaft power engineFiled 2002·Application pending·0 cites
- 0422US2005211210A1Four valves per cylinder engine headARAO MASACHIKA·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →