Inventor · disambiguated record

Hannu Purhonen

Also filed as: PURHONEN HANNU

2 granted patents·34 citations·filing 1985–1990

62Inventor score

Technology areasA61B G01C

Files withINSTRUMENTARIUM CORP1 TANNER RISTO1

Top patents by PatentIndex Score

2 records

0152US4640016AMeans for indicating direction and a method of determining a directionTANNER RISTO·Filed 1985·Granted Feb 3, 1987·22 cites·8 claims
0225US5012501AApparatus for producing panoramic x-ray image projectionsINSTRUMENTARIUM CORP·Filed 1990·Granted Apr 30, 1991·12 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →