Inventor · disambiguated record
Zenzo Tozuka
Also filed as: TOZUKA ZENZO
3 granted patents·98 citations·filing 1997–2007
74Inventor score
Technology areasH01H
Files withOKI ELECTRIC IND CO LTD3
Top patents by PatentIndex Score
3 records- 0196US7525056B2Key switch structureOKI ELECTRIC IND CO LTD·Filed 2007·Granted Apr 28, 2009·65 cites·14 claims
- 0264US5914468AKeyboard unit and key switchOKI ELECTRIC IND CO LTD·Filed 1997·Granted Jun 22, 1999·21 cites·39 claims
- 0359US6541724B2Key switchOKI ELECTRIC IND CO LTD·Filed 2002·Granted Apr 1, 2003·12 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →