Assignee
SANKEN STEEL CO LTD
4 granted patents·24 citations·filing 1974–1997
Top patents by PatentIndex Score
4 records- 0158USD410291SSoundproof wall unitSANKEN STEEL CO LTD·Filed 1997·Granted May 25, 1999·10 cites·1 claims
- 0254USD243094SCurb and drain unitSANKEN STEEL CO LTD·Filed 1974·Granted Jan 18, 1977·6 cites·1 claims
- 0344USD242622SCurb and drain unitSANKEN STEEL CO LTD·Filed 1974·Granted Dec 7, 1976·4 cites·1 claims
- 0444USD242623SCurb and drain unitSANKEN STEEL CO LTD·Filed 1974·Granted Dec 7, 1976·4 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →