Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8369331 | Layer 1 frame construction | — | 2013-02-05 |
| 8045559 | Datagram relaying apparatus with load distributing function | Kenshin Yamada, Yasuhiro Miyao | 2011-10-25 |
| 7593399 | Frame construction method, frame construction device and data transfer system capable of accommodating STM traffic and best effort traffic in common frame format | — | 2009-09-22 |
| 7564844 | Datagram relaying apparatus with load distributing function | Kenshin Yamada, Yasuhiro Miyao | 2009-07-21 |
| 7324511 | Device, method and system for transferring frame | — | 2008-01-29 |
| 7298694 | Apparatus and method for GFP frame transfer | Satoshi Kamiya, Ryuichi Ikematsu | 2007-11-20 |
| 7126950 | Method and system for transmission and reception of asynchronously multiplexed signals | Kazuo Takagi, Naoya Henmi, Shinobu Sasaki, Kurenai Murakami, Yoshinori Rokugou | 2006-10-24 |
| 7050455 | Frame construction method, frame construction device and data transfer system capable of accommodating STM traffic and best effort traffic in common frame format | — | 2006-05-23 |
| 6976256 | Pipeline processing type shaping apparatus and its method | — | 2005-12-13 |
| 6970478 | Packet transfer method and apparatus, and packet communication system | — | 2005-11-29 |
| 6947427 | Transmission method and network system for accommodating a plurality of kinds of traffic in a common network | Yoshinori Rokugo, Kazuo Takagi | 2005-09-20 |
| 6940853 | Datagram relaying apparatus with load distributing function | Kenshin Yamada, Yasuhiro Miyao | 2005-09-06 |
| 6754215 | Packet scheduling device | Toshiaki Arikawa, Michio Masuda | 2004-06-22 |
| 6738352 | Transfer destination determining process apparatus | Kenshin Yamada, Michio Masuda | 2004-05-18 |
| 6678474 | Lightwave network data communications system | Michio Masuda, Kenshin Yamada | 2004-01-13 |
| 6580714 | Concentrator type ATM switch for an ATM switching system | Hideki Nishizaki | 2003-06-17 |
| 6546422 | Caching of network contents by packet relays that determine cache priority utilizing contents access frequency and metrics in their routing tables representing relaying path lengths | Kazuhiko Isoyama, Akira Arutaki | 2003-04-08 |
| 6512616 | Optical packet switch | — | 2003-01-28 |
| 6452908 | Route searching circuit and communication apparatus using the same | Kenshin Yamada | 2002-09-17 |
| 6424620 | Congestion control system capable of detecting congestion occurring in an asynchronous transfer mode network and autonomously avoiding the congestion | — | 2002-07-23 |
| 6330242 | Loose source routing method of IP packet on ATM network | Makoto Ogawa, Michio Masuda, Kurenai Murakami | 2001-12-11 |
| 6314098 | ATM connectionless communication system having session supervising and connection supervising functions | Michio Masuda, Makoto Ogawa | 2001-11-06 |
| 6208653 | Method and apparatus for controlling a flow between terminals in an ATM network | Makoto Ogawa, Michio Masuda | 2001-03-27 |
| 6201810 | High-speed routing control system | Michio Masuda, Makoto Ogawa | 2001-03-13 |
| 6137798 | Connectionless network for routing cells with connectionless address, VPI and packet-identifying VCI | Michio Masuda, Makoto Ogawa | 2000-10-24 |