Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7720390 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Akira Misawa, Masaru Katayama, Satoru Okamoto | 2010-05-18 |
| 7630649 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Akira Misawa, Masaru Katayama, Satoru Okamoto | 2009-12-08 |
| 7545829 | Layered network node, network incorporating the same, node, and layered network | Daisaku Shimazaki, Naoaki Yamanaka | 2009-06-09 |
| 7474664 | ATM switch for ensuring cell sequence | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Naoaki Yamanaka | 2009-01-06 |
| 7457240 | Node, packet communication network, packet communication method, and program | Daisaku Shimazaki, Naoaki Yamanaka | 2008-11-25 |
| 7339935 | ATM switch for distributing cells to avoid blocking in the ATM switch | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Naoaki Yamanaka | 2008-03-04 |
| 7333424 | Upper layer node, lower layer node, and node control method | Naoaki Yamanaka, Kohei Shiomoto, Satoru Okamoto, Wataru Imajuku | 2008-02-19 |
| 7313328 | Node used in photonic network, and photonic network | Wataru Imajuku, Kohei Shiomoto, Naoaki Yamanaka, Daisaku Shimazaki, Naohide Nagatsu +1 more | 2007-12-25 |
| 7313094 | Node, an optical/electrical path integrated network using the node, and a program which controls the node | Kohei Shiomoto, Masaru Katayama, Wataru Imajuku | 2007-12-25 |
| 7292576 | ATM switch having output buffers | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Naoaki Yamanaka | 2007-11-06 |
| 7289730 | Optical path communication network, node, and optical path setup method | Nobuaki Matsuura, Naoaki Yamanaka, Wataru Imajuku | 2007-10-30 |
| 7263289 | Optical dynamic burst switch | Kohei Shiomoto, Naoaki Yamanaka | 2007-08-28 |
| 7200330 | Optical dynamic burst switch | Kohei Shiomoto, Naoaki Yamanaka | 2007-04-03 |
| 7173931 | Scheduling the dispatch of cells in multistage switches | Hung-Hsiang Jonathan Chao | 2007-02-06 |
| 7136391 | ATM switch | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Naoaki Yamanaka | 2006-11-14 |
| 7103056 | Scheduling the dispatch of cells in multistage switches using a hierarchical arbitration scheme for matching non-empty virtual output queues of a module with outgoing links of the module | Hung-Hsiang Jonathan Chao | 2006-09-05 |
| 7046661 | Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined hierarchical arbitration scheme | Hung-Hsiang Jonathan Chao, Roberto Rojas-Cessa | 2006-05-16 |
| 7006514 | Pipelined maximal-sized matching cell dispatch scheduling | Roberto Rojas-Cessa, Jonathan Chao Hung-Hsiang | 2006-02-28 |
| 6940851 | Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme | Hung-Hsiang Jonathan Chao, Roberto Rojas-Cessa | 2005-09-06 |
| 6757283 | Push network | Naoaki Yamanaka | 2004-06-29 |
| 6570874 | ATM switch | Kohei Nakai, Naoaki Yamanaka | 2003-05-27 |
| 5953341 | Contention control circuit | Naoaki Yamanaka, Tomoaki Kawamura, Tsuneo Matsumura | 1999-09-14 |
| 5892604 | ATM switch | Naoaki Yamanaka, Kohei Shiomoto, Seisho Yasukawa | 1999-04-06 |
| 5812532 | Communication network design method and communication equipment | Naoaki Yamanaka | 1998-09-22 |
| 5577030 | Data communication routing method and device | Naoaki Yamanaka | 1996-11-19 |