Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37041 | Voice processor | Hirohisa Koyama | 2001-02-06 |
| 5446238 | Voice processor | Hirohisa Koyama | 1995-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37041 | Voice processor | Hirohisa Koyama | 2001-02-06 |
| 5446238 | Voice processor | Hirohisa Koyama | 1995-08-29 |