Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796296 | PCM coder and decoder having function of two-wire/four-wire conversion | Eiichi Amada, Kazuo Yamakido, Takahiko Kozaki, Masaru Kokubo | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796296 | PCM coder and decoder having function of two-wire/four-wire conversion | Eiichi Amada, Kazuo Yamakido, Takahiko Kozaki, Masaru Kokubo | 1989-01-03 |