Inventor · disambiguated record
Masahiko Sawa
Also filed as: SAWA MASAHIKO
3 granted patents·55 citations·filing 1986–2003
72Inventor score
Top patents by PatentIndex Score
3 records- 0170US4812632APortable magnetic card reading and writing apparatus with verification of constant and user supplied dataSONY CORP·Filed 1986·Granted Mar 14, 1989·35 cites·11 claims
- 0256US7063454B2Heat exchange system and rotor having the sameKOBE STEEL LTD·Filed 2003·Granted Jun 20, 2006·6 cites·6 claims
- 0331US4877946ACard issuance apparatus with cancellation modeSONY CORP·Filed 1986·Granted Oct 31, 1989·14 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →