Inventor · disambiguated record
Keizo Namba
Also filed as: NAMBA KEIZO
5 granted patents·132 citations·filing 1985–1993
83Inventor score
Top patents by PatentIndex Score
5 records- 0186US5069980AVacuum-brazing aluminum cladding material consisting of Al or Al alloy core and two superposed aluminum alloy clads which cover at least one surface of the coreSUMITMO LIGHT METAL IND LTD·Filed 1991·Granted Dec 3, 1991·66 cites·14 claims
- 0257US5356723AMultilayer plated aluminum sheetsSUMITOMO METAL IND·Filed 1992·Granted Oct 18, 1994·19 cites·34 claims
- 0356US4949895AProcess of fixing internally titanium-lined doubled-walled tubing structure to titanium tube sheetSUMITOMO LIGHT METAL IND·Filed 1985·Granted Aug 21, 1990·26 cites·21 claims
- 0449US5334814AElectrode for spot weldingSUMITOMO LIGHT METAL IND·Filed 1992·Granted Aug 2, 1994·13 cites·8 claims
- 0541US5391854AMethod of spot welding aluminum alloysSUMITOMO LIGHT METAL IND·Filed 1993·Granted Feb 21, 1995·8 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →