Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10334365 | Acoustic processing device | Kenji Iwamoto, Satsuki KAWAHASHI, Ryuichiro Kuroki, Naoyuki Onozawa | 2019-06-25 |
| 7332670 | Automatic player exactly bringing pedal to half point, musical instrument equipped therewith and method used therein | Yuji Fujiwara | 2008-02-19 |
| 7238873 | Automatic player musical instrument exactly reproducing performance and automatic player used therein | Yuji Fujiwara, Yasuhiko Ohba | 2007-07-03 |