Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771854 | Optical transmission system and optical coupler/branching filter | Tadashi Matsuoka, Junya Kosaka | 2004-08-03 |
| 6563978 | Optical transmission system and optical coupler/branching filter | Tadashi Matsuoka, Junya Kosaka | 2003-05-13 |
| 5740158 | ATM communication system | Kaoru Aoki, Masataka Takano, Junichirou Yanagi, Miho Iino | 1998-04-14 |
| 5604729 | ATM communication system having a physical loop form with logical start point and end point | Kaoru Aoki, Masataka Takano, Junichirou Yanagi, Miho Iino | 1997-02-18 |