Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8135010 | System and apparatus thereof for Ethernet PON communication | Ikutaro Tsujikado, Masataka Yamada, Toshihiko Inoue, Hiroomi Shinha, Hajime Fukushima +3 more | 2012-03-13 |
| 7418009 | Method of transferring frames of variable length for a passive optical network that improves network efficiency and simplifies child apparatus | Masaharu Matsumoto, Takamitsu Shirai, Katsuhiko Hirashima, Kazuhiro Uchida, Kenichi Abe +3 more | 2008-08-26 |
| 6137795 | Cell switching method and cell exchange system | Shinji Michii | 2000-10-24 |
| 5982296 | Data switching processing method and apparatus | Shinji Wakasa | 1999-11-09 |
| 5309431 | Route regulating apparatus | Satoshi Nojima | 1994-05-03 |
| 5140582 | Packet switching system having bus matrix switch | Mitsuru Tsuboi, Akira Takeyama, Satoshi Nojima | 1992-08-18 |