Nippon Gakki Seizo Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10H ELECTROPHONIC MUSICAL INSTRUMENTS 1318
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 253
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
G10C PIANOS 111
 
  
 
G10F AUTOMATIC MUSICAL INSTRUMENTS 16

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5416497 Video display control system for animation pattern imageSep 11, 92May 16, 95[G09G]
5119710 Musical tone generatorFeb 01, 91Jun 09, 92[G10H]
RE32862 Electronic musical instrumentSep 09, 85Feb 14, 89[G10H]
RE32726 Envelope generatorMay 30, 80Aug 09, 88[G10H]
RE32445 Electronic musical instrument having portamento propertyOct 04, 85Jun 30, 87[G10H]
RE32069 Device for detecting a key switch operationSep 17, 79Jan 21, 86[G10H, G08C]
RE31931 Channel processorSep 17, 80Jul 02, 85[G10H, G08C]
RE31653 Electronic musical instrument of the harmonic synthesis typeSep 30, 82Aug 28, 84[G10H]
RE31648 System for generating tone source waveshapesDec 07, 81Aug 21, 84[G10H]
RE31090 Electronic musical instrumentDec 31, 80Nov 30, 82[G10H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5027690 Electronic musical keyboard instruments with variable touch sensitivityExpiredMar 17, 89Jul 02, 91[G10H]
4990389 Disk for magnetic recordingExpiredJul 05, 88Feb 05, 91[G11B]
D311412 Combined grand piano keyboard cover and auto-play control unitExpiredMay 19, 87Oct 16, 90[]
D310679 Electronic wind instrumentExpiredAug 14, 87Sep 18, 90[]
4944028 Non-contact type pattern sensor with variable clearance compensationExpiredNov 10, 88Jul 24, 90[G01B]
4939969 Acoustic keyboard musical instrumentExpiredNov 03, 88Jul 10, 90[G10H, G10C]
4939973 Tone signal generation device having waveshape changing meansExpiredSep 14, 88Jul 10, 90[G10H]
4903563 Sound bar electronic musical instrumentExpiredJul 05, 89Feb 27, 90[G10H]
4904349 Methods for producing optomagnetic recording media and systems for their useExpiredApr 28, 88Feb 27, 90[C25D]
4897636 Video display control system for moving display imagesExpiredDec 21, 87Jan 30, 90[G09G]
4892023 Electronic keyboard percussion instrumentExpiredJan 25, 89Jan 09, 90[G10H]
4846041 Keyboard device of electronic musical instrumentExpiredOct 26, 87Jul 11, 89[G10C]
4835526 Display controllerExpiredJul 13, 88May 30, 89[G09G]
4803023 Method for producing a wood-type golf club headExpiredFeb 19, 87Feb 07, 89[B29D, A63B]
4800795 Electronic drum with angle adjustmentExpiredApr 11, 88Jan 31, 89[G10D]
4760387 Display controllerExpiredJan 31, 86Jul 26, 88[G09G]
4751502 Display controller for displaying a cursor on either of a CRT display device or a liquid crystal display deviceExpiredMar 26, 86Jun 14, 88[G09G]
4748885 Electronic musical instrument with automatic rhythm generating deviceExpiredDec 03, 86Jun 07, 88[G10H]
4748888 Electronic musical instrument including waveshape memory and modifiable address controlExpiredJun 25, 85Jun 07, 88[G10H]
4747332 Electronic musical instrument forming tones by wave computationExpiredMar 24, 86May 31, 88[G10H]

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