Inventor · disambiguated record
Yoshihiko Oya
Also filed as: OYA YOSHIHIKO
3 granted patents·366 citations·filing 1989–1991
79Inventor score
Files withNIPPON DENSO CO3
Top patents by PatentIndex Score
3 records- 0197US5049326AFilter element and manufacture method thereofNIPPON DENSO CO·Filed 1990·Granted Sep 17, 1991·215 cites·11 claims
- 0295US5002666AFilter element and manufacture method thereofNIPPON DENSO CO·Filed 1989·Granted Mar 26, 1991·109 cites·20 claims
- 0372US5240540AMethod for producing filter elementNIPPON DENSO CO·Filed 1991·Granted Aug 31, 1993·42 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →