Inventor · disambiguated record
Hiroo Oya
Also filed as: KAKINUMA AKIO · KAKINUMA OJIMAMACHI · OYA HIROO
5 granted patents·51 citations·filing 1976–1978
79Inventor score
Technology areasF01N
Top patents by PatentIndex Score
5 records- 0162US4206178AApparatus for purifying exhaust gases of internal combustion enginesFUJI HEAVY IND LTD·Filed 1978·Granted Jun 3, 1980·19 cites·5 claims
- 0253US4209494ACatalytic converter for purifying exhaust gases of internal combustion enginesFUJI HEAVY IND LTD·Filed 1978·Granted Jun 24, 1980·13 cites·4 claims
- 0340US4206179AApparatus for purifying exhaust gases of internal combustion enginesFUJI HEAVY IND LTD·Filed 1978·Granted Jun 3, 1980·7 cites·2 claims
- 0437US4192846AExhaust gas purification system for internal combustion enginesFUJI HEAVY IND LTD·Filed 1977·Granted Mar 11, 1980·7 cites·8 claims
- 0526US4110976AThermal reactor systemFUJI HEAVY IND LIMITED·Filed 1976·Granted Sep 5, 1978·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →