Inventor · disambiguated record
Yoshio Igarashi
Also filed as: IGARASHI YOSHIO
7 granted patents·1 pending application·83 citations·filing 1984–2017
85Inventor score
Top patents by PatentIndex Score
8 records- 0190US10583510B2Heating and cooling deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted Mar 10, 2020·7 cites·20 claims
- 0272US6126713AAdditive for use in producing spheroidal graphite cast ironHITACHI METALS LTD·Filed 1997·Granted Oct 3, 2000·24 cites·8 claims
- 0368US7794650B2Heat-resistant cast iron and exhaust equipment member formed therebyHITACHI METALS LTD·Filed 2004·Granted Sep 14, 2010·7 cites·18 claims
- 0456US4851946ALightning arresterSANKOSHA CO LTD·Filed 1988·Granted Jul 25, 1989·21 cites·8 claims
- 0546US4644441ADischarge-type arresterSANKOSHA CO LTD·Filed 1984·Granted Feb 17, 1987·9 cites·5 claims
- 0642US5462612AAirtight aluminum alloy casting and its manufacturing methodHITACHI METALS LTD·Filed 1994·Granted Oct 31, 1995·8 cites·7 claims
- 0738US4645690AMethod of manufacturing a magnetic mediaHITACHI METALS LTD·Filed 1985·Granted Feb 24, 1987·7 cites·4 claims
- 0838US2008198527A1Surge protection device and surge protection apparatus using thereofSANKOSHA CO LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →