Inventor · disambiguated record
Yasushi Kumagai
Also filed as: KUMAGAI YASUSHI
5 granted patents·193 citations·filing 1993–2011
82Inventor score
Top patents by PatentIndex Score
5 records- 0193US6673415B1Honeycomb core material for sandwich structure and method for manufacturing the sameSANYO CHEMICAL IND LTD·Filed 2000·Granted Jan 6, 2004·74 cites·23 claims
- 0287US6455606B1Polyurethane foam, process for producing the same, and foam forming compositionSANYO CHEMICAL IND LTD·Filed 1998·Granted Sep 24, 2002·64 cites·29 claims
- 0381US5401785AFoamed polyurethane-forming composition, foamed polyurethane and process making the sameSANYO CHEMICAL IND LTD·Filed 1993·Granted Mar 28, 1995·52 cites·30 claims
- 0463US8237295B2Semiconductor device, method for manufacturing semiconductor device, and manufacturing apparatus for semiconductor deviceSANO YUICHI·Filed 2011·Granted Aug 7, 2012·2 cites·20 claims
- 0558US7994642B2Semiconductor device which includes contact plug and embedded interconnection connected to contact plugTOSHIBA KK·Filed 2009·Granted Aug 9, 2011·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →