Inventor · disambiguated record
Haruhiko Hatakeyama
Also filed as: HATAKEYAMA HARUHIKO
3 granted patents·100 citations·filing 1999–2005
73Inventor score
Technology areasH02M
Top patents by PatentIndex Score
3 records- 0183US6064580ASwitching power supplySHINDENGEN ELECTRIC MFG·Filed 1999·Granted May 16, 2000·81 cites·6 claims
- 0259US7158391B2Switching power supply unitTDK CORP·Filed 2005·Granted Jan 2, 2007·7 cites·4 claims
- 0355US6781852B2Switching power supply using a transformer, rectifier, control circuit and voltage generating circuitsTDK CORP·Filed 2002·Granted Aug 24, 2004·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →