Inventor · disambiguated record
Hiroshi Sugisaka
Also filed as: SUGISAKA HIROSHI
4 granted patents·95 citations·filing 1986–1987
77Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0187US4812729AProtecting apparatus for secondary excitation type variable speed AC generator/motorHITACHI LTD·Filed 1987·Granted Mar 14, 1989·64 cites·17 claims
- 0242US4742288AControl system for AC motor/generator of secondary AC excitation typeHITACHI LTD·Filed 1986·Granted May 3, 1988·18 cites·4 claims
- 0341US4766360AInduction generator/motor systemHITACHI LTD·Filed 1986·Granted Aug 23, 1988·9 cites·6 claims
- 0433US4743826APumping-up generator/motor system and method of operation of the sameHITACHI LTD·Filed 1986·Granted May 10, 1988·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →