Inventor · disambiguated record
Akira Hagio
Also filed as: HAGIO AKIRA
3 granted patents·37 citations·filing 1973–1992
70Inventor score
Files withNIPPON KOKAN KK3
Top patents by PatentIndex Score
3 records- 0155US5174616APipe coupling using shape memory alloyNIPPON KOKAN KK·Filed 1992·Granted Dec 29, 1992·23 cites·16 claims
- 0235US5150931APipe coupling using shape memory alloy with inner solder foil memberNIPPON KOKAN KK·Filed 1989·Granted Sep 29, 1992·8 cites·2 claims
- 0333US3938724AMethod of making butt welded tubesNIPPON KOKAN KK·Filed 1973·Granted Feb 17, 1976·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →