Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418009 | Method of transferring frames of variable length for a passive optical network that improves network efficiency and simplifies child apparatus | Susumu Tominaga, Masaharu Matsumoto, Takamitsu Shirai, Katsuhiko Hirashima, Kazuhiro Uchida +3 more | 2008-08-26 |
| 6577623 | Fixed-length cell data and time-division data hybrid multiplexing apparatus | Yoshio Kawai, Kazuhiro Shibuya, Yasuyuki Mitsumori | 2003-06-10 |