Inventor · disambiguated record
Yoichi Hirokawa
Also filed as: HIROKAWA YOICHI
3 granted patents·101 citations·filing 1978–1993
72Inventor score
Top patents by PatentIndex Score
3 records- 0192US4937795AAccess alarming method and apparatus for working vehicleTOKYO KEIKI KK·Filed 1988·Granted Jun 26, 1990·83 cites·19 claims
- 0258US4336594AAutomatic steering apparatus for shipsTOKYO KEIKI KK·Filed 1978·Granted Jun 22, 1982·14 cites·8 claims
- 0330US5369865AMethod and apparatus for supplying sliders to slide fastener stringersYOSHIDA KOGYO KK·Filed 1993·Granted Dec 6, 1994·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →