Inventor · disambiguated record
Koichiro Hirosawa
Also filed as: HIROSAWA KOICHIRO
21 granted patents·641 citations·filing 1974–1992
96Inventor score
Files withAISIN SEIKI21
Top patents by PatentIndex Score
21 records- 0197US4038888ASpeed change gear systemAISIN SEIKI·Filed 1975·Granted Aug 2, 1977·81 cites·18 claims
- 0296US3971268ASpeed change gear systemAISIN SEIKI·Filed 1974·Granted Jul 27, 1976·73 cites·15 claims
- 0395US4599916AContinuously variable transmission including planetary gearingAISIN SEIKI·Filed 1984·Granted Jul 15, 1986·61 cites·5 claims
- 0492US3946623ASpeed change gear systemAISIN SEIKI·Filed 1974·Granted Mar 30, 1976·55 cites·3 claims
- 0591US4086994AFluid pressure modulating apparatus for a fluidically actuated frictional engaging apparatus in a vehicle transmissionAISIN SEIKI·Filed 1975·Granted May 2, 1978·43 cites·2 claims
- 0691US4027552ASpeed change gear systemAISIN SEIKI·Filed 1975·Granted Jun 7, 1977·42 cites·5 claims
- 0790US4089239ASpeed change gear systemAISIN SEIKI·Filed 1976·Granted May 16, 1978·41 cites·13 claims
- 0882US3971267ASpeed change gear systemAISIN SEIKI·Filed 1974·Granted Jul 27, 1976·31 cites·15 claims
- 0979US4143562ASpeed change gearAISIN SEIKI·Filed 1976·Granted Mar 13, 1979·26 cites·11 claims
- 1078US4038887ASpeed change gearAISIN SEIKI·Filed 1975·Granted Aug 2, 1977·26 cites·12 claims
- 1178US4027551ASpeed change gear systemAISIN SEIKI·Filed 1975·Granted Jun 7, 1977·25 cites·10 claims
- 1274US4033203AHydraulic control system for vehicle transmission meansAISIN SEIKI·Filed 1975·Granted Jul 5, 1977·23 cites·7 claims
- 1372US3946624ASpeed change gearAISIN SEIKI·Filed 1974·Granted Mar 30, 1976·22 cites·1 claims
- 1467US3946622ASpeed change gearAISIN SEIKI·Filed 1974·Granted Mar 30, 1976·18 cites·1 claims
- 1563US4008630AFluid pressure control system for automatic transmissionsAISIN SEIKI·Filed 1974·Granted Feb 22, 1977·16 cites·4 claims
- 1661US5201643ACompression machineAISIN SEIKI·Filed 1991·Granted Apr 13, 1993·20 cites·4 claims
- 1761US5044907ARotor device having inner rotor and driven outer rotorAISIN SEIKI·Filed 1990·Granted Sep 3, 1991·21 cites·10 claims
- 1844US5141409ACompression machineAISIN SEIKI·Filed 1991·Granted Aug 25, 1992·10 cites·3 claims
- 1935US5133327AAir flow system having constant discharge volumeAISIN SEIKI·Filed 1991·Granted Jul 28, 1992·5 cites·3 claims
- 2030US5251539ABellows pumpAISIN SEIKI·Filed 1992·Granted Oct 12, 1993·2 cites·9 claims
- 2130US4948352ARotor unit with peripheral projections and clearances for centrifugal deflectionAISIN SEIKI·Filed 1988·Granted Aug 14, 1990·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →