Inventor · disambiguated record
Ryuji Hashimoto
Also filed as: HASHIMOTO RYUJI
43 granted patents·11 pending applications·214 citations·filing 1989–2025
97Inventor score
Top patents by PatentIndex Score
54 records- 0194US9190040B2Bass drumYAMAHA CORP·Filed 2013·Granted Nov 17, 2015·12 cites·17 claims
- 0293US8173886B2Electronic percussion instrumentHASHIMOTO RYUJI·Filed 2009·Granted May 8, 2012·20 cites·4 claims
- 0393US7557439B1Layered chip package that implements memory deviceTDK CORP·Filed 2008·Granted Jul 7, 2009·31 cites·12 claims
- 0491US8916759B2Acoustic drumYAMAHA CORP·Filed 2013·Granted Dec 23, 2014·10 cites·14 claims
- 0588US8148617B2Drum pad and manufacturing method thereofHASHIMOTO RYUJI·Filed 2010·Granted Apr 3, 2012·9 cites·37 claims
- 0687US8263850B2Percussion detecting apparatusHASHIMOTO RYUJI·Filed 2010·Granted Sep 11, 2012·13 cites·8 claims
- 0783US8546676B2Pedal device for electronic percussion instrumentHASHIMOTO RYUJI·Filed 2011·Granted Oct 1, 2013·10 cites·10 claims
- 0881US2025339875A1Functional film and method for producing sameDAINIPPON PRINTING CO LTD·Filed 2025·Application pending·0 cites
- 0979US10497343B2Reed for a musical instrumentYAMAHA CORP·Filed 2018·Granted Dec 3, 2019·3 cites·10 claims
- 1076US8581087B2Tone generating style notification control for wind instrument having mouthpiece sectionHASHIMOTO RYUJI·Filed 2011·Granted Nov 12, 2013·6 cites·16 claims
- 1176US8309837B2Tone generation control apparatusHASHIMOTO RYUJI·Filed 2011·Granted Nov 13, 2012·6 cites·12 claims
- 1275US8933311B2Snare drumYAMAHA CORP·Filed 2013·Granted Jan 13, 2015·4 cites·9 claims
- 1375US5066110ALiquid crystal display apparatusSHARP KK·Filed 1989·Granted Nov 19, 1991·45 cites·8 claims
- 1474US9111674B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Aug 18, 2015·2 cites·3 claims
- 1573US7973630B2Thin film magnetic device and method of manufacturing the sameTDK CORP·Filed 2008·Granted Jul 5, 2011·6 cites·8 claims
- 1671US8582274B2Tray for transporting wafers and method for fixing wafers onto the trayKAMIMURA RYUICHIRO·Filed 2010·Granted Nov 12, 2013·4 cites·10 claims
- 1770US12479005B2Functional film and method for producing sameDAINIPPON PRINTING CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·4 claims
- 1867US9959849B2DrumYAMAHA CORP·Filed 2015·Granted May 1, 2018·2 cites·8 claims
- 1966US2024312696A1Electronic componentTDK CORP·Filed 2024·Application pending·0 cites
- 2066US2024312695A1Electronic componentTDK CORP·Filed 2024·Application pending·0 cites
- 2166US2025111969A1Electronic componentTDK CORP·Filed 2024·Application pending·0 cites
- 2265US9472175B2Drum head and drumYAMAHA CORP·Filed 2016·Granted Oct 18, 2016·2 cites·12 claims
- 2362US2024312684A1Coil componentTDK CORP·Filed 2024·Application pending·0 cites
- 2461US2025210235A1Samarium-iron-nitrogen based magnet powder and samarium-iron-nitrogen based magnetTDK CORP·Filed 2022·Application pending·0 cites
- 2560US11798739B2Samarium-iron-nitrogen based magnet powder and method of manufacturing same, and samarium-iron-nitrogen based magnet and method of manufacturing sameHASHIMOTO RYUJI·Filed 2019·Granted Oct 24, 2023·0 cites·8 claims
- 2660US11361888B2Samarium-iron-nitrogen magnet powder and method for manufacturing sameOKADA SHUSUKE·Filed 2018·Granted Jun 14, 2022·0 cites·5 claims
- 2760US11335484B2Permanent magnetTDK CORP·Filed 2019·Granted May 17, 2022·0 cites·8 claims
- 2859US9490053B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Nov 8, 2016·0 cites·2 claims
- 2958US9082537B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Jul 14, 2015·0 cites·20 claims
- 3057US7858871B2Playing deviceYAMAHA CORP·Filed 2008·Granted Dec 28, 2010·2 cites·9 claims
- 3156US9396852B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Jul 19, 2016·0 cites·4 claims
- 3256US6639736B2Base plate, lens sheet, and projection screenDAINIPPON PRINTING CO LTD·Filed 2001·Granted Oct 28, 2003·3 cites·6 claims
- 3355US9947445B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Apr 17, 2018·0 cites·4 claims
- 3455US5191455ADriving circuit for a liquid crystal display apparatusSHARP KK·Filed 1990·Granted Mar 2, 1993·19 cites·12 claims
- 3554US11081265B2Rare-earth sintered magnetTDK CORP·Filed 2017·Granted Aug 3, 2021·0 cites·4 claims
- 3654US9953751B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Apr 24, 2018·0 cites·4 claims
- 3754US9286870B2Pedal device for electronic percussion instrumentHASHIMOTO RYUJI·Filed 2012·Granted Mar 15, 2016·1 cites·15 claims
- 3853US9970087B2R-T-B based permanent magnet and raw alloy for the sameTDK CORP·Filed 2015·Granted May 15, 2018·0 cites·6 claims
- 3953US9520216B2R-T-B based sintered magnetTDK CORP·Filed 2014·Granted Dec 13, 2016·0 cites·3 claims
- 4053US2023144902A1Samarium-iron-nitrogen based magnet and samarium-iron-nitrogen based magnet powderHASHIMOTO RYUJI·Filed 2021·Application pending·0 cites
- 4152US11302465B2Rare-earth permanent magnetTDK CORP·Filed 2017·Granted Apr 12, 2022·0 cites·2 claims
- 4252US9702945B2Magnetic measurement deviceTDK CORP·Filed 2012·Granted Jul 11, 2017·0 cites·3 claims
- 4352US9354285B2Magnetic measurement deviceTDK CORP·Filed 2012·Granted May 31, 2016·0 cites·4 claims
- 4452US9070500B2R-T-B based permanent magnetTDK CORP·Filed 2014·Granted Jun 30, 2015·0 cites·20 claims
- 4551US10020102B2R-T-B based permanent magnet and rotating machineTDK CORP·Filed 2015·Granted Jul 10, 2018·0 cites·4 claims
- 4650US7683246B2Musical instrument playing actuator, play assisting mouthpiece, brass instrument, automatic playing apparatus, and play assisting apparatusYAMAHA CORP·Filed 2008·Granted Mar 23, 2010·1 cites·11 claims
- 4750US6707606B2Lens sheet, projection screen using the same, and method of molding the lens sheetDAINIPPON PRINTING CO LTD·Filed 2001·Granted Mar 16, 2004·3 cites·8 claims
- 4849US10529474B2Rare-earth permanent magnetTDK CORP·Filed 2015·Granted Jan 7, 2020·0 cites·12 claims
- 4948US10403248B2Drum headYAMAHA CORP·Filed 2018·Granted Sep 3, 2019·0 cites·4 claims
- 5047US11114071B2Percussion instrumentYAMAHA CORP·Filed 2019·Granted Sep 7, 2021·0 cites·15 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →