Inventor · disambiguated record

Masayuki Washio

Also filed as: WASHIO MASAYUKI

2 granted patents·10 citations·filing 1976–1989

54Inventor score

Technology areasF01L F02M

Files withATSUGI UNISIA CORP1 NISSAN MOTOR1

Top patents by PatentIndex Score

2 records

0143US4109624AVacuum regulation valve in an exhaust gas recirculation systemNISSAN MOTOR·Filed 1976·Granted Aug 29, 1978·6 cites·8 claims
0226US4996955AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1989·Granted Mar 5, 1991·4 cites·2 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →