Inventor · disambiguated record
Masayoshi Izumi
Also filed as: IZUMI MASAYOSHI
4 granted patents·126 citations·filing 1983–1995
81Inventor score
Files withOILES INDUSTRY CO LTD4
Top patents by PatentIndex Score
4 records- 0181US4547434AHeat-resistant shift memberOILES INDUSTRY CO LTD·Filed 1984·Granted Oct 15, 1985·36 cites·3 claims
- 0278US4551393AHeat-resistant shift memberOILES INDUSTRY CO LTD·Filed 1983·Granted Nov 5, 1985·31 cites·3 claims
- 0376US5462291ASpherical annular seal with outer sliding layerOILES INDUSTRY CO LTD·Filed 1993·Granted Oct 31, 1995·34 cites·8 claims
- 0460US5615479AMethod of manufacturing a spherical annular sealOILES INDUSTRY CO LTD·Filed 1995·Granted Apr 1, 1997·25 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →