Inventor · disambiguated record
Shigenobu Igawa
Also filed as: IGAWA SHIGENOBU
2 granted patents·0 citations·filing 2018–2020
28Inventor score
Files withNIPPON STEEL NISSHIN CO LTD2
Top patents by PatentIndex Score
2 records- 0157US11504797B2Method for manufacturing electroseamed metal tubeNIPPON STEEL NISSHIN CO LTD·Filed 2020·Granted Nov 22, 2022·0 cites·4 claims
- 0257US10906125B2Method for manufacturing electroseamed metal tube, and electroseamed metal tubeNIPPON STEEL NISSHIN CO LTD·Filed 2018·Granted Feb 2, 2021·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →