Inventor · disambiguated record
Hiroo Shirai
Also filed as: SHIRAI HIROO
4 granted patents·192 citations·filing 1979–1995
81Inventor score
Top patents by PatentIndex Score
4 records- 0197US5250255AMethod for producing permanent magnet and sintered compact and production apparatus for making green compactsINTERMETALLICS CO LTD·Filed 1991·Granted Oct 5, 1993·78 cites·150 claims
- 0284US5672363AProduction apparatus for making green compactINTERMETALLICS CO LTD·Filed 1995·Granted Sep 30, 1997·72 cites·24 claims
- 0369US5273782ACoated parts with film having powder-skeleton structure, and method for forming coatingINTERMETALLICS CO LTD·Filed 1992·Granted Dec 28, 1993·36 cites·29 claims
- 0440US4301755AMultiple pattern sewing machineBROTHER IND LTD·Filed 1979·Granted Nov 24, 1981·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →