Inventor · disambiguated record
Hiroyuki Tomiyama
Also filed as: TOMIYAMA HIROYUKI
5 granted patents·7 pending applications·17 citations·filing 2001–2022
74Inventor score
Top patents by PatentIndex Score
12 records- 0155US6814181B2Electrically conductive damper device for speakerPIONEER CORP·Filed 2001·Granted Nov 9, 2004·5 cites·7 claims
- 0255US2024310534A1Radiation detectorHAMAMATSU PHOTONICS KK·Filed 2022·Application pending·0 cites
- 0351US7006652B2Speaker damperTOHOKU CORP·Filed 2002·Granted Feb 28, 2006·6 cites·5 claims
- 0450US6772855B2Damper for speaker and method of producing the samePIONEER CORP·Filed 2001·Granted Aug 10, 2004·2 cites·9 claims
- 0549US7308750B2Method of manufacturing a magnesium diaphragmPIONEER CORP·Filed 2004·Granted Dec 18, 2007·4 cites·14 claims
- 0648US2012106777A1Speaker damper and speaker deviceFUJIMOTO KENTA·Filed 2009·Application pending·0 cites
- 0747US7454032B2Magnesium diaphragm, method of manufacturing the same, and speaker apparatusPIONEER CORP·Filed 2004·Granted Nov 18, 2008·0 cites·9 claims
- 0846US2007286447A1Speaker devicePIONEER CORP·Filed 2007·Application pending·0 cites
- 0943US2005271240A1Speaker device and method of manufacturing the speaker devicePIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 1041US2005257999A1Bobbin integrated type magnesium diaphragm, manufacturing method thereof, and speaker device using the diaphragmPIONEER CORP·Filed 2005·Application pending·0 cites
- 1138US2005273997A1Speaker diaphragm and method of fabricating the sameTOMIYAMA HIROYUKI·Filed 2005·Application pending·0 cites
- 1238US2005226459A1Vibrating plate for speaker and method of fabricating the samePIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →