Inventor · disambiguated record
Masakazu Hayaishi
Also filed as: HAYAISHI MASAKAZU
3 granted patents·2 pending applications·20 citations·filing 2002–2006
67Inventor score
Top patents by PatentIndex Score
5 records- 0172US6773661B2Free-cutting steelDAIDO STEEL CO LTD·Filed 2002·Granted Aug 10, 2004·9 cites·7 claims
- 0269US6764645B2Steel for machine structural use having good machinability and chip-breakabilityDIADO STEEL CO LTD·Filed 2002·Granted Jul 20, 2004·8 cites·9 claims
- 0358US6649125B2Free-cutting steelDAIDO STEEL CO LTD·Filed 2002·Granted Nov 18, 2003·3 cites·3 claims
- 0448US2007098589A1Non-heat treated steel for connecting rod and connecting rod formed of sameNISSAN MOTOR·Filed 2006·Application pending·0 cites
- 0537US2005265886A1Steel for machine structural use excellent in friability of chipsHAYAISHI MASAKAZU·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →