Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771439 | Differential coding circuit with reduced critical path applicable to DPCM | Takeshi Okazaki, Toshitaka Tsuda, Shin Maki, Kiichi Matsuda, Hirohisa Gambe +1 more | 1988-09-13 |
| 4346476 | A/D, D/A Converter for PCM transmission system | Masao Yamasawa, Michinobu Ohhata | 1982-08-24 |