Inventor · disambiguated record
Fusao Koshiga
Also filed as: HIRANO OSAMU · KOSHIGA FUSAO
6 granted patents·54 citations·filing 1975–1979
82Inventor score
Files withNIPPON KOKAN KK6
Top patents by PatentIndex Score
6 records- 0163US4145594AMethod for longitudinally seam-welding pipe-bland for welded steel pipe from inside along grooveNIPPON KOKAN KK·Filed 1977·Granted Mar 20, 1979·15 cites·3 claims
- 0262US4034179AMethod of multiple electrode gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Jul 5, 1977·13 cites·9 claims
- 0356US4107503AMethod for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from insideNIPPON KOKAN KK·Filed 1977·Granted Aug 15, 1978·10 cites·7 claims
- 0455US4013868AMethod of multiple gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Mar 22, 1977·10 cites·3 claims
- 0535US4238659APreventing magnetization of pipe blank in GMA weldingNIPPON KOKAN KK·Filed 1979·Granted Dec 9, 1980·4 cites·3 claims
- 0630US4110589AMethod for longitudinally seam-welding pipe-blank for welded steel pipe from the inside along a grooveNIPPON KOKAN KK·Filed 1977·Granted Aug 29, 1978·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →