Inventor · disambiguated record
Jinkichi Tanaka
Also filed as: KOJIMA TOSHIFUMI · TANAKA JINKICHI
9 granted patents·107 citations·filing 1975–1980
88Inventor score
Files withNIPPON KOKAN KK9
Top patents by PatentIndex Score
9 records- 0183US4071732AMethod of large current gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Jan 31, 1978·30 cites·4 claims
- 0263US4145594AMethod 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
- 0362US4341938AMethod and apparatus for seam-welding steel pipesNIPPON KOKAN KK·Filed 1980·Granted Jul 27, 1982·16 cites·13 claims
- 0462US4034179AMethod of multiple electrode gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Jul 5, 1977·13 cites·9 claims
- 0556US4107503AMethod 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
- 0655US4013868AMethod of multiple gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Mar 22, 1977·10 cites·3 claims
- 0746US4100389AMethod of high speed gas shielded arc weldingNIPPON KOKAN KK·Filed 1976·Granted Jul 11, 1978·7 cites·11 claims
- 0835US4238659APreventing magnetization of pipe blank in GMA weldingNIPPON KOKAN KK·Filed 1979·Granted Dec 9, 1980·4 cites·3 claims
- 0930US4110589AMethod 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 →