Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833714 | Speech recognition apparatus | Mitsuo Shimotani, Kenji Shima | 1989-05-23 |
| 4815133 | Sound field producing apparatus | — | 1989-03-21 |
MH
Masahiro Hibino
Overall (1989): #20,940 of 140,708Top 15%
2
Patents 1989