Inventor · disambiguated record
Ryoichi Koshida
Also filed as: KOSHIDA RYOICHI
6 granted patents·36 citations·filing 1987–1993
80Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0171US4773381ARotational signal detecting apparatus for internal combustion engineHITACHI LTD·Filed 1987·Granted Sep 27, 1988·16 cites·14 claims
- 0245US4979486AIgnition coil-incorporated distributor for internal combustion enginesHITACHI LTD·Filed 1989·Granted Dec 25, 1990·6 cites·14 claims
- 0341US5036827AIgnition coil-incorporated distributor for internal combustion enginesHITACHI LTD·Filed 1990·Granted Aug 6, 1991·6 cites·6 claims
- 0437US5094219ADistributor with ignition coilHITACHI LTD·Filed 1990·Granted Mar 10, 1992·4 cites·11 claims
- 0534US5363829AIgnition distributor of internal combustion engineHITACHI LTD·Filed 1993·Granted Nov 15, 1994·4 cites·20 claims
- 0626US5057652ADistributor for an internal combustion engineHITACHI LTD·Filed 1990·Granted Oct 15, 1991·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →