Inventor · disambiguated record
Masamichi Chiba
Also filed as: CHIBA MASAMICHI
10 granted patents·8 pending applications·12 citations·filing 2003–2020
81Inventor score
Top patents by PatentIndex Score
18 records- 0185US9835194B2Steel wire for bolt, bolt, and manufacturing processes thereforKOBE STEEL LTD·Filed 2012·Granted Dec 5, 2017·7 cites·20 claims
- 0275US9914990B2Steel for mechanical structure for cold working, and method for manufacturing sameKOBE STEEL LTD·Filed 2013·Granted Mar 13, 2018·1 cites·12 claims
- 0374US9890445B2Steel for mechanical structure for cold working, and method for manufacturing sameKOBE STEEL LTD·Filed 2012·Granted Feb 13, 2018·1 cites·14 claims
- 0472US9845519B2Boron-added high strength steel for bolt and high strength bolt having excellent delayed fracture resistanceKOBE STEEL LTD·Filed 2013·Granted Dec 19, 2017·1 cites·4 claims
- 0556US7267729B2Soft magnetic low-carbon steel excellent in machinability and magnetic characteristic, method of manufacturing the same and method of manufacturing soft magnetic low-carbon partKOBE STEEL LTD·Filed 2003·Granted Sep 11, 2007·2 cites·5 claims
- 0654US10570478B2Steel for mechanical structure for cold working, and method for producing sameKOBE STEEL LTD·Filed 2015·Granted Feb 25, 2020·0 cites·19 claims
- 0754US2022106670A1Mechanical structure steel for cold-working and manufacturing method thereforKOBE STEEL LTD·Filed 2020·Application pending·0 cites
- 0853US10060015B2Steel for high-strength bolts which has excellent delayed fracture resistance and bolt formability, and boltKOBE STEEL LTD·Filed 2014·Granted Aug 28, 2018·0 cites·6 claims
- 0950US2017159693A1Steel wire for bolts, bolt, and methods for manufacturing sameKOBE STEEL LTD·Filed 2014·Application pending·0 cites
- 1049US7540927B2Soft magnetic steels excellent in cold forgeability, machinability and magnetic properties, and soft magnetic steel parts excellent in magnetic propertiesKOBE STEEL LTD·Filed 2006·Granted Jun 2, 2009·0 cites·6 claims
- 1146US9695488B2Steel for bolt use, bolt, and method for manufacturing boltKOBE STEEL LTD·Filed 2012·Granted Jul 4, 2017·0 cites·18 claims
- 1246US9275779B2Iron-based soft magnetic powder for dust core, preparation process thereof, and dust coreHOJO HIROFUMI·Filed 2011·Granted Mar 1, 2016·0 cites·9 claims
- 1346US2015022049A1Rotor for induction torque motor and induction torque motorKOBE STEEL LTD·Filed 2013·Application pending·0 cites
- 1446US2017162306A1Soft magnetic steel and method for manufacturing same, and soft magnetic component obtained from soft magnetic steelKOBE STEEL LTD·Filed 2014·Application pending·0 cites
- 1544US2018251876A1Mechanical structure steel for cold-working and manufacturing method thereforKOBE STEEL LTD·Filed 2016·Application pending·0 cites
- 1643US2018105894A1Steel wire for mechanical structural partsKOBE STEEL LTD·Filed 2016·Application pending·0 cites
- 1740US2017219000A1Steel for bolts, and boltKOBE STEEL LTD·Filed 2015·Application pending·0 cites
- 1838US2018066344A1Wire rod for use in bolts that has excellent acid pickling properties and resistance to delayed fracture after quenching and tempering, and boltKOBE STEEL LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →