Inventor
Junji Fujii
Inventor
Hamamatsu, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Dprimary
G10DStringed musical instruments41%
G10HElectrophonic musical instruments24%
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for6%
C07CAcyclic or carbocyclic compounds6%
F03DWind motors6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
9,537,415'Power generating device, control device, controlling method and power generation system'20178,148,623'Apparatus for assisting in playing musical instrument'20127,858,871'Playing device'20107,671,260'Component of musical instrument, musical instrument and production method of the same'20107,642,439'Electronic drum and its drum head'20107,605,324'Apparatus for assisting in playing musical instrument'20097,554,028'Performance assist apparatus of wind instrument'20096,667,429'Method for manufacturing modified wood'20036,355,830'Process for preparation of dicarboxylic acid monoesters'20025,587,544'Drum'19965,410,937'Supporting mechanism for a sound generator of a musical instrument'1995D0350362'Musical drum rim'19944,858,510'Resonant musical instruments'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2012Patents assigned to YAMAHA CORP (11)· patent assignee history
1989–2012Based in Hamamatsu, JP· patent location history
1995–2009Based in Shizuoka, JP· patent location history
2002Patents assigned to MITSUBISHI RAYON CO (1)· patent assignee history
2002Based in Otake, JP· patent location history
2012Patents assigned to FUJII JUNJI (1)· patent assignee history
2012Patents assigned to MASUDA HIDEYUKI (1)· patent assignee history
2012Patents assigned to TOHGI YUTAKA (1)· patent assignee history
2017Based in Kitakyushu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 11 | 1989–2012 |
| FUJII JUNJIself | 1 | 2012 |
| MASUDA HIDEYUKI | 1 | 2012 |
| MITSUBISHI RAYON CO | 1 | 2002 |
| TOHGI YUTAKA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 9 | 1989–2012 |
| Shizuoka, JP | 2 | 1995–2009 |
| Kitakyushu, JP | 1 | 2017 |
| Otake, JP | 1 | 2002 |