Inventor
Keiji Kawakami
Inventor
Hamamatsu, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Hprimary
G10HElectrophonic musical instruments50%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
G10KSound-producing devices10%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines10%
H04SStereophonic systems10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
8,017,870'Fastening device for a line'20117,474,753'Sound field control apparatus, signal processing apparatus, sound field control program, and signal processing program'20095,736,664'Automatic accompaniment data-processing method and apparatus and apparatus with accompaniment section selection'19985,340,940'Musical tone generation apparatus capable of writing/reading parameters at high speed'19945,298,673'Electronic musical instrument using time-shared data register'19945,149,903'Musical tone generating apparatus having means for controlling the amplitude of a musical tone signal envelope'19924,773,294'Musical composition parameter selecting device for electronic musical instrument'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2009Patents assigned to YAMAHA CORP (6)· patent assignee history
1988–2009Based in Hamamatsu, JP· patent location history
2011Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2011Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 6 | 1988–2009 |
| BOSCH GMBH ROBERT | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 6 | 1988–2009 |
| Kanagawa, JP | 1 | 2011 |