Inventor · disambiguated record
Hirotaka Toshima
Also filed as: TOSHIMA HIROTAKA
3 granted patents·32 citations·filing 1989–1990
71Inventor score
Technology areasC22C
Files withOILES INDUSTRY CO LTD3
Top patents by PatentIndex Score
3 records- 0156US4994235AWear-resistance aluminum bronze alloyOILES INDUSTRY CO LTD·Filed 1989·Granted Feb 19, 1991·12 cites·5 claims
- 0252US5000915AWear-resistant copper alloyOILES INDUSTRY CO LTD·Filed 1989·Granted Mar 19, 1991·10 cites·1 claims
- 0347US5069874AMethod for reducing high-load, low-speed wear resistance in sliding membersOILES INDUSTRY CO LTD·Filed 1990·Granted Dec 3, 1991·10 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →