Inventor · disambiguated record
Shinichi Umekawa
Also filed as: UMEKAWA SHINICHI
5 granted patents·69 citations·filing 2001–2006
78Inventor score
Top patents by PatentIndex Score
5 records- 0179US6936893B2Power semiconductor deviceTOSHIBA KK·Filed 2003·Granted Aug 30, 2005·27 cites·20 claims
- 0270US6417532B2Power semiconductor module for use in power conversion units with downsizing requirementsTOSHIBA KK·Filed 2001·Granted Jul 9, 2002·26 cites·38 claims
- 0366US6594131B2Over current protection circuit of semiconductor switching deviceTOSHIBA KK·Filed 2001·Granted Jul 15, 2003·15 cites·17 claims
- 0444US7629672B2Semiconductor devices and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 8, 2009·0 cites·4 claims
- 0540US7091554B2Semiconductor deviceTOSHIBA KK·Filed 2003·Granted Aug 15, 2006·1 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →