Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970935 | Tone information processing device for an electronic musical instrument | Shigenori Morikawa, Hiroyuki Sasaki, Hiroshi Morokuma | 1990-11-20 |
KH
Kohtaro Hanazawa
Overall (All Time): #3,915,297 of 4,157,543Top 95%
1
Patents All Time