Inventor
Yuji Ikegaya
Inventor
Hamamatsu, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering15%
G06FElectric digital data processing15%
G10HElectrophonic musical instruments11%
G10KSound-producing devices11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B23FMaking gears or toothed racks4%
F01MLubricating of machines or engines in general4%
F02BInternal-combustion piston engines4%
F16DCouplings for transmitting rotation4%
F16HGearing4%
PatentTitleYear
11,105,260Outboard motor and shift switch of outboard motor202111,091,242Outboard motor and method of manufacturing shaft for outboard motor202111,066,142Outboard motor202110,894,589Ship maneuvering system and ship maneuvering method202110,869,123Array microphone and sound collection method20205,902,951'Chorus effector with natural fluctuation imported from singing voice'19995,708,842'Apparatus for changing coefficients utilized to perform a convolution operation having address generator which uses initial count number and up/down count inputs received from external'19985,636,153'Digital signal processing circuit'19975,619,579'Reverberation imparting apparatus'19975,163,018'Digital signal processing circuit for carrying out a convolution computation using circulating coefficients'19925,148,384'Signal processing integrated circuit'19924,803,731'Reverbation imparting device'19894,706,291'Reverberation imparting device'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (1)· patent assignee history
1987–2020Based in Hamamatsu, JP· patent location history
1989–2020Patents assigned to YAMAHA CORP (8)· patent assignee history
2021Patents assigned to YAMAHA MOTOR CO LTD (4)· patent assignee history
2021Based in Shizuoka, JP· patent location history
2021Based in Shizuoka-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 8 | 1989–2020 |
| YAMAHA MOTOR CO LTD | 4 | 2021 |
| NIPPON MUSICAL INSTRUMENTS MFG | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 9 | 1987–2020 |
| Shizuoka, JP | 3 | 2021 |
| Shizuoka-shi, JP | 1 | 2021 |