Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307448 | Electronic apparatus with display device | — | 1994-04-26 |
| 5276274 | Electronic musical instrument with any key play mode | Hiroshi Morokuma, Takashi Akutsu | 1994-01-04 |
SM
Shigeru Matsuyama
Overall (1994): #19,966 of 165,921Top 15%
2
Patents 1994