Inventor · disambiguated record
Naoya Hayakawa
Also filed as: HAYAKAWA NAOYA
9 granted patents·4 pending applications·24 citations·filing 2001–2019
82Inventor score
Top patents by PatentIndex Score
13 records- 0172US10576651B2Method of cutting brittle material, device for cutting brittle material, method of manufacturing cut brittle material and cut brittle materialCENTRAL GLASS CO LTD·Filed 2016·Granted Mar 3, 2020·2 cites·4 claims
- 0270US9321119B2Combination welding method using combination of gas metal arc welding and submerged-arc welding and combination arc welding machineHAYAKAWA NAOYA·Filed 2010·Granted Apr 26, 2016·3 cites·6 claims
- 0369US6475605B2Low-melting glass for covering substrateCENTRAL GLASS CO LTD·Filed 2001·Granted Nov 5, 2002·10 cites·16 claims
- 0468US8124247B2High-strength welded steel pipe including weld metal having high cold-cracking resistance and method for manufacturing the sameHAYAKAWA NAOYA·Filed 2008·Granted Feb 28, 2012·4 cites·2 claims
- 0566US8955554B2Submerged arc welding method for steel plateISHIGAMI ATSUSHI·Filed 2009·Granted Feb 17, 2015·2 cites·7 claims
- 0666US8785806B2Submerged arc welding method with multiple electrodes for steel materialISHIGAMI ATSUSHI·Filed 2009·Granted Jul 22, 2014·2 cites·15 claims
- 0764US9764410B2Submerged arc welding method for steel plateJFE STEEL CORP·Filed 2012·Granted Sep 19, 2017·1 cites·4 claims
- 0851US2011015053A1Lead-Free Low-Melting-Point Glass Composition Having Acid ResistanceCENTRAL GLASS CO LTD·Filed 2009·Application pending·0 cites
- 0950US2021323101A1Solid wire for gas metal arc weldingJFE STEEL CORP·Filed 2019·Application pending·0 cites
- 1044US2014346149A1Submerged arc welding method for steel plateJFE STEEL CORP·Filed 2012·Application pending·0 cites
- 1143US11453079B2Multi-electrode submerged arc welding methodJFE STEEL CORP·Filed 2017·Granted Sep 27, 2022·0 cites·4 claims
- 1242US7802450B2Organic-inorganic hybrid glassy materials and their production processesCENTRAL GLASS CO LTD·Filed 2004·Granted Sep 28, 2010·0 cites·12 claims
- 1339US2003228471A1Lead-free low-melting glassCENTRAL GLASS CO LTD·Filed 2003·Application pending·0 cites
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