Inventor · disambiguated record
Toyohiko Kumakura
Also filed as: KUMAKURA TOYOHIKO
4 granted patents·198 citations·filing 1996–2002
82Inventor score
Technology areasH10W
Files withHITACHI CABLE4
Top patents by PatentIndex Score
4 records- 0182US6031292ASemiconductor device, interposer for semiconductor deviceHITACHI CABLE·Filed 1997·Granted Feb 29, 2000·66 cites·9 claims
- 0281US6855893B2Wiring board, semiconductor device, electronic device, and circuit board for electronic partsHITACHI CABLE·Filed 2002·Granted Feb 15, 2005·39 cites·6 claims
- 0378US6114751ASemiconductor device and electronic deviceHITACHI CABLE·Filed 1999·Granted Sep 5, 2000·62 cites·13 claims
- 0467US5866948AInterposer for semiconductor deviceHITACHI CABLE·Filed 1996·Granted Feb 2, 1999·31 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →