Inventor · disambiguated record
Isao Sugihara
Also filed as: SUGIHARA ISAO
2 granted patents·1 pending application·37 citations·filing 1982–2022
63Inventor score
Top patents by PatentIndex Score
3 records- 0181US4505763AHeat-treating method of weld portion of piping system and heating coil for the heat treatmentHITACHI LTD·Filed 1982·Granted Mar 19, 1985·22 cites·21 claims
- 0246US2024160819A1Failure diagnosis assisting deviceKUBOTA KK·Filed 2022·Application pending·0 cites
- 0343US4590346AMethod of heating piping arrangement and heating coilHITACHI LTD·Filed 1983·Granted May 20, 1986·15 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →