Inventor · disambiguated record
Eiji Kozu
Also filed as: KOZU EIJI
5 granted patents·135 citations·filing 1978–1987
82Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0186US4799161AControl apparatus for maintaining traction in electric rolling stockHITACHI LTD·Filed 1986·Granted Jan 17, 1989·56 cites·16 claims
- 0286US4216420ABraking control system selectively operable in dynamic and regenerative braking operation for electric carHITACHI LTD·Filed 1978·Granted Aug 5, 1980·41 cites·4 claims
- 0375US4327313AControl apparatus for electric carHITACHI LTD·Filed 1980·Granted Apr 27, 1982·27 cites·15 claims
- 0444US4801855AMethod and system for controlling chopperHITACHI LTD·Filed 1987·Granted Jan 31, 1989·9 cites·16 claims
- 0529US4752723AChopper control systemHITACHI LTD·Filed 1987·Granted Jun 21, 1988·2 cites·8 claims
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