Inventor · disambiguated record
Tomoyuki Kumagai
Also filed as: KUMAGAI TOMOYUKI
7 granted patents·84 citations·filing 1991–2000
85Inventor score
Top patents by PatentIndex Score
7 records- 0172US6232541B1Data sending apparatus and data receiving apparatus communicating data storage control command in MIDI protocol, and method thereforYAMAHA CORP·Filed 2000·Granted May 15, 2001·21 cites·31 claims
- 0259US5623112AAutomatic performance deviceYAMAHA CORP·Filed 1994·Granted Apr 22, 1997·16 cites·15 claims
- 0359US5340939AInstrument having multiple data storing tracks for playing back musical playing dataYAMAHA CORP·Filed 1991·Granted Aug 23, 1994·16 cites·17 claims
- 0444US5864081AMusical tone generating apparatus, musical tone generating method and storage mediumYAMAHA CORP·Filed 1998·Granted Jan 26, 1999·11 cites·12 claims
- 0541US6103965AMusical tone synthesizing apparatus, musical tone synthesizing method and storage mediumYAMAHA CORP·Filed 1999·Granted Aug 15, 2000·9 cites·14 claims
- 0635US5749563AExhaust gas recirculation systemTAIHO KOGYO CO LTD·Filed 1997·Granted May 12, 1998·9 cites·7 claims
- 0730US5274192AInstrument for recording and playing back musical playing dataYAMAHA CORP·Filed 1991·Granted Dec 28, 1993·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →