Inventor · disambiguated record
Hirohisa Nakao
Also filed as: NAKAO HIROHISA
3 granted patents·39 citations·filing 1991–2002
71Inventor score
Top patents by PatentIndex Score
3 records- 0152US6695450B2Ophthalmic characteristics measuring apparatusTOPCON CORP·Filed 2002·Granted Feb 24, 2004·13 cites·7 claims
- 0249US6234632B1Cornea shape measuring apparatusTOPCON CORP·Filed 2000·Granted May 22, 2001·12 cites·9 claims
- 0344US5190119AHydraulic power steering device responsive to speed of vehicleKOYO SEIKO CO·Filed 1991·Granted Mar 2, 1993·14 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →