Inventor · disambiguated record
Haruhisa Okumura
Also filed as: OKUMURA HARUHISA
4 granted patents·49 citations·filing 2001–2008
76Inventor score
Top patents by PatentIndex Score
4 records- 0189US6593920B2Level converter circuit and a liquid crystal display device employing the sameHITACHI LTD·Filed 2001·Granted Jul 15, 2003·34 cites·10 claims
- 0274US6995757B2Level converter circuit and a liquid crystal display device employing the sameHITACHI DEVICE ENG·Filed 2003·Granted Feb 7, 2006·12 cites·5 claims
- 0373US7408544B2Level converter circuit and a liquid crystal display device employing the sameHITACHI LTD·Filed 2005·Granted Aug 5, 2008·2 cites·13 claims
- 0463US8159486B2Level converter circuit and a liquid crystal display device employing the sameOKUMURA HARUHISA·Filed 2008·Granted Apr 17, 2012·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →