Inventor · disambiguated record
Shigeyoshi Umezawa
Also filed as: UMEZAWA SHIGEYOSHI
5 granted patents·78 citations·filing 2000–2003
80Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD5
Top patents by PatentIndex Score
5 records- 0189US6359243B1Multi-directional operating switch and electronic device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 19, 2002·43 cites·4 claims
- 0273US6580039B2Multidirectional switch and operation unit using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 17, 2003·19 cites·28 claims
- 0365US6329755B1Light adjustment device for a vehicleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 11, 2001·11 cites·4 claims
- 0450US6621224B2Light-controlling device used for vehicleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 16, 2003·4 cites·3 claims
- 0547US6951404B2Illumination knob and method of manufacturing knobMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 4, 2005·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →