Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346083 | Bandwidth allocation method and passive optical network system | Daisuke Murayama, Noriyuki Oota | 2013-01-01 |
| 8032034 | Optical code communication system | Manabu YOSHINO, Shin KANEKO, Tomohiro Taniguchi | 2011-10-04 |
| 7796519 | Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, optical network unit, PON system, dynamic bandwidth allocation program and recording medium | Osamu Yoshihara | 2010-09-14 |
| 7555216 | Optical communication system using optical frequency code, optical transmission device and optical reception device thereof, and reflection type optical communication device | Manabu YOSHINO | 2009-06-30 |
| 7433312 | Dynamic band allocation circuit, dynamic band allocation method, dynamic band allocation program, and recording medium | Osamu Yoshihara, Noriyuki Oota | 2008-10-07 |
| 7260116 | Bandwidth allocation method in point-to-multipoint communication system | Noriyuki Ota | 2007-08-21 |
| 6470017 | Packet multiplexing apparatus | Akihiro Otaka, Norio Tamaki | 2002-10-22 |
| 5812667 | Subscriber registration and authentication method | Kiyomi Kumozaki | 1998-09-22 |
| 5646758 | Optical time compression multiplexing transmission system | Kiyomi Kumozaki | 1997-07-08 |
| 5539564 | Point-to-multipoint optical transmission system | Kiyomi Kumozaki, Seiichi Yamano, Ryuichi Watanabe, Shinichi Aoyagi, Yasuyuki Okumura +1 more | 1996-07-23 |
| 5204903 | Secure communication equipment and secure transmission system | Kenji Okada, Fumio Mano, Nobuyuki Tokura, Kiyomi Kumozaki | 1993-04-20 |