Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388597 | &Dgr;-&Sgr; modulator and &Dgr;-&Sgr; A/D converter | Koichi Maezawa | 2002-05-14 |
| 6339733 | Automatic main distributing frame control system | Masaaki Muraai, Hitoshi Isobe, Atsuhiro Makino, Masahiro Ito | 2002-01-15 |