Inventor · disambiguated record
Hideaki Koyama
Also filed as: KOYAMA HIDEAKI
9 granted patents·67 citations·filing 1980–2020
86Inventor score
Top patents by PatentIndex Score
9 records- 0173US7728545B2Equipment with a built-in fuel cellHITACHI LTD·Filed 2005·Granted Jun 1, 2010·14 cites·16 claims
- 0273US7626353B2Mobile type information terminal and self diagnosis method and operation method thereofHITACHI LTD·Filed 2005·Granted Dec 1, 2009·14 cites·5 claims
- 0362US8742962B2Semiconductor device and sensor systemRENESAS ELECTRONICS CORP·Filed 2012·Granted Jun 3, 2014·2 cites·18 claims
- 0455US4367387AElectronic controlled heat cooking apparatusSANYO ELECTRIC CO·Filed 1980·Granted Jan 4, 1983·17 cites·35 claims
- 0554US11810541B2Electronic musical instrument, power control device for electronic musical instrument, and power control methodROLAND CORP·Filed 2020·Granted Nov 7, 2023·0 cites·20 claims
- 0650US7626366B2Power supply circuit capable of reducing the number of external componentsNEC ELECTRONICS CORP·Filed 2007·Granted Dec 1, 2009·2 cites·6 claims
- 0744US4343977AElectronic controlled heat cooking apparatusSANYO ELECTRIC CO·Filed 1980·Granted Aug 10, 1982·9 cites·11 claims
- 0830US6246056B1Earth sensorNEC CORP·Filed 1998·Granted Jun 12, 2001·5 cites·19 claims
- 0929US4394557AElectronic controlled heat cooking apparatusSANYO ELECTRIC CO·Filed 1980·Granted Jul 19, 1983·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →