Inventor · disambiguated record
Yuji Ikegaya
Also filed as: IKEGAYA YUJI
29 granted patents·13 pending applications·164 citations·filing 1986–2025
95Inventor score
Top patents by PatentIndex Score
42 records- 0194US11731744B2Control system for marine propulsion device, control method for the same, and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted Aug 22, 2023·4 cites·19 claims
- 0294US11447223B2Control device for battery of marine vessel, control method therefor, and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 20, 2022·4 cites·18 claims
- 0393US11987339B1Steering control system of marine vessel, marine vessel and steering control method of marine vesselYAMAHA MOTOR CO LTD·Filed 2020·Granted May 21, 2024·3 cites·20 claims
- 0492US11993357B2Marine propulsion control system and marine vessel capable of performing dynamic positioning controlYAMAHA MOTOR CO LTD·Filed 2022·Granted May 28, 2024·2 cites·19 claims
- 0591US12252227B2Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Mar 18, 2025·2 cites·18 claims
- 0688US11904989B2Control device for battery of marine vessel, control method therefor, and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted Feb 20, 2024·2 cites·17 claims
- 0781US4706291AReverberation imparting deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Nov 10, 1987·36 cites·5 claims
- 0880US4803731AReverbation imparting deviceYAMAHA CORP·Filed 1987·Granted Feb 7, 1989·33 cites·12 claims
- 0963US12077272B2System for and method of controlling watercraft including marine propulsion deviceYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 3, 2024·0 cites·13 claims
- 1063US11297419B2Array microphone and sound collection methodYAMAHA CORP·Filed 2020·Granted Apr 5, 2022·0 cites·20 claims
- 1163US5902951AChorus effector with natural fluctuation imported from singing voiceYAMAHA CORP·Filed 1997·Granted May 11, 1999·26 cites·16 claims
- 1261US10894589B1Ship maneuvering system and ship maneuvering methodYAMAHA MOTOR CO LTD·Filed 2020·Granted Jan 19, 2021·0 cites·18 claims
- 1361US2025236380A1Boat control system and boatYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1460US2025236379A1Boat control system and boatYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1560US2025042526A1Watercraft propulsion system, and watercraftYAMAHA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1660US2025236378A1Boat control system and boatYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1760US2025236374A1Boat control system and boatYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1859US12486014B2Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Dec 2, 2025·0 cites·18 claims
- 1959US12420899B2Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 2059US10869123B2Array microphone and sound collection methodYAMAHA CORP·Filed 2019·Granted Dec 15, 2020·0 cites·20 claims
- 2158US12459628B2Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 2257US2024228003A9Watercraft propulsion system, and watercraftYAMAHA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2357US2024227998A9Watercraft propulsion system, and watercraftYAMAHA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2457US2024228000A9Watercraft propulsion system, and watercraftYAMAHA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2557US2024228005A9Watercraft propulsion system, and watercraftYAMAHA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2656US12330763B2Marine vessel propulsion control system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Jun 17, 2025·0 cites·13 claims
- 2756US2024199184A1Control device for battery of marine vessel, control method therefor, and marine vesselYAMAHA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2855US12259728B2Marine vessel propulsion control system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·17 claims
- 2954US12187397B2System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2021·Granted Jan 7, 2025·0 cites·18 claims
- 3053US12091148B2System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 17, 2024·0 cites·8 claims
- 3153US2023139789A1Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 3253US2023133897A1Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 3353US2023140720A1Marine propulsion system and marine vesselYAMAHA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 3452US11987338B2Marine vessel maneuvering system and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted May 21, 2024·0 cites·18 claims
- 3551US11102605B2Audio signal processing apparatus and audio signal processing methodYAMAHA CORP·Filed 2019·Granted Aug 24, 2021·0 cites·13 claims
- 3649US11560209B2Drive source switching system for marine propulsion device including multiple drive sources, and method of switching drive sources of marine propulsion deviceYAMAHA MOTOR CO LTD·Filed 2021·Granted Jan 24, 2023·0 cites·18 claims
- 3748US5619579AReverberation imparting apparatusYAMAHA CORP·Filed 1994·Granted Apr 8, 1997·16 cites·2 claims
- 3847US12084161B2System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 10, 2024·0 cites·18 claims
- 3944US5636153ADigital signal processing circuitYAMAHA CORP·Filed 1994·Granted Jun 3, 1997·17 cites·20 claims
- 4036US5163018ADigital signal processing circuit for carrying out a convolution computation using circulating coefficientsYAMAHA CORP·Filed 1991·Granted Nov 10, 1992·9 cites·9 claims
- 4131US5708842AApparatus for changing coefficients utilized to perform a convolution operation having address generator which uses initial count number and up/down count inputs received from externalYAMAHA CORP·Filed 1997·Granted Jan 13, 1998·6 cites·8 claims
- 4231US5148384ASignal processing integrated circuitYAMAHA CORP·Filed 1990·Granted Sep 15, 1992·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →