Inventor
Ryuichiro Kuroki
Inventor
Hamamatsu, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Hprimary
G10HElectrophonic musical instruments36%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers21%
G10KSound-producing devices7%
H03FAmplifiers7%
H03GControl of amplification7%
H04SStereophonic systems7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
10,334,365Acoustic processing device20199,253,585'Speaker apparatus'20169,099,069'Signal processing device'20158,859,874'Coefficient measurement apparatus, effect impartment apparatus, and musical sound generating apparatus'20148,735,711'Signal processing apparatus for stringed instrument'20146,747,202'Sound generating system producing sound from vibrations in musical instrument through natural microphone simulation'20046,580,796'Sound effect imparting apparatus'20035,841,875'Digital audio signal processor with harmonics modification'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2019Patents assigned to YAMAHA CORP (8)· patent assignee history
1998–2019Based in Hamamatsu, JP· patent location history
2004Based in Shizuoka, JP· patent location history
2014–2016Patents assigned to KUROKI RYUICHIRO (2)· patent assignee history
2016Patents assigned to KATO MASAKAZU (1)· patent assignee history
2016Patents assigned to WARD JULIAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 8 | 1998–2019 |
| KUROKI RYUICHIROself | 2 | 2014–2016 |
| KATO MASAKAZU | 1 | 2016 |
| WARD JULIAN | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 7 | 1998–2019 |
| Shizuoka, JP | 1 | 2004 |