RF

Rei Furukawa

Yamaha: 17 patents #117 of 2,001Top 6%
Overall (All Time): #274,050 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10782159 Detection device and detection method Tetsuo Ota 2020-09-22
8933309 Simulating muting in a drive control device for striking member in sound generation mechanism Yasuhiko Oba, Yuji Fujiwara 2015-01-13
7985914 Automatic player accompanying singer on musical instrument and automatic player musical instrument Yasuhiko Ohba 2011-07-26
7902449 Music performance system for music session and component musical instruments Yuji Fujiwara 2011-03-08
7863513 Synchronous playback system for reproducing music in good ensemble and recorder and player for the ensemble Jun Ishii, Yoshihiro Shiiya, Takeyoshi Aihara 2011-01-04
7820902 Music performance system for music session and component musical instruments Yuji Fujiwara 2010-10-26
7642446 Music system for transmitting enciphered music data, music data source and music producer incorporated therein 2010-01-05
7547838 Tuning device for musical instruments and computer program used therein Fukutaro Okuyama 2009-06-16
6949705 Audio system for reproducing plural parts of music in perfect ensemble 2005-09-27
6800799 Recorder, method for recording music, player, method for reproducing the music and system for ensemble on the basis of music data codes differently formatted Yuji Fujiwara 2004-10-05
6737571 Music recorder and music player for ensemble on the basis of different sorts of music data 2004-05-18
5831194 Electronic keyboard musical instrument capable of imparting effect similar to that of soft pedal Yasutoshi Kaneko, Kiyoshi Kawamura, Shinya Koseki 1998-11-03
5804755 Electronic musical instrument having channel controller preferentially assigning sound generating channels to resonant sound signals with large magnitude 1998-09-08
5804751 Electronic musical instrument for electronically generating tone together with resonant sound variable in response to pedal action Shinya Koseki, Yoshihiro Shiiya 1998-09-08
5731530 Automatic player piano exactly reproducing special touches Yuji Fujiwara, Yasuhiko Oba 1998-03-24
5627333 Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors Wayne L. Stahnke, Yuji Fujiwara, Taro Kawabata, Takashi Tamaki 1997-05-06
5391830 Foot pedal control system incorporated in musical instrument and shared between analog signal and digital signal Toshihiro Nishino, Takashi Tamaki 1995-02-21