Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887083 | Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit | Takahiro Furukawa, Hirohisa Miyaou | 1989-12-12 |
| 4841524 | Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method | Hirohisa Miyaou, Takahiro Furukawa | 1989-06-20 |