Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10057132 | Apparatus and method for detecting connection relationships among switches in a communication network | Shinji Yamashita, Kenji Hikichi, Akiko Yamada | 2018-08-21 |
| 9819571 | Control apparatus and method for supplying switch with entry | Shinji Yamashita, Akiko Yamada, Sho Shimizu | 2017-11-14 |
| 9699090 | Transfer device, control device, and transfer method | Sho Shimizu | 2017-07-04 |
| 9628324 | Openflow switch and failure recovery method in openflow network | Shinji Yamashita, Akiko Yamada, Sho Shimizu, Keiichi Nakatsugawa | 2017-04-18 |
| 9559932 | Route determination apparatus and transfer route determination method | Akiko Yamada, Sho Shimizu | 2017-01-31 |
| 9143446 | Network control apparatus, network control system, and network control method | Satoshi Imai, Sho Shimizu | 2015-09-22 |
| 8695051 | Video quality monitoring method, distribution server, and client | Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto | 2014-04-08 |
| 8296814 | Video quality monitoring method, distribution server, and client | Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto | 2012-10-23 |
| 7680029 | Transmission apparatus with mechanism for reserving resources for recovery paths in label-switched network | Shinya Kano, Akira Chugo | 2010-03-16 |
| 7564778 | Method of and control node for detecting failure | Shinya Kano | 2009-07-21 |
| 7218606 | Transmission system and transmitting device | — | 2007-05-15 |
| 7136357 | Transmission path controlling apparatus and transmission path controlling method as well as medium having transmission path controlling program recorded thereon | Koji Nakamichi, Kenya Takashima | 2006-11-14 |
| 7079493 | Device and method for collecting traffic information | Koji Nakamichi, Kenya Takashima | 2006-07-18 |
| 6985960 | Routing information mapping device in a network, method thereof and storage medium | Kenya Takashima, Koji Nakamichi | 2006-01-10 |
| 6965566 | Packet flow control apparatus and a method for controlling the same | Takeshi Kawasaki, Koji Nakamichi | 2005-11-15 |
| 6859842 | Method and apparatus for selection of paths on a communication network | Koji Nakamichi, Yutaka Ezaki, Kenya Takashima | 2005-02-22 |
| 6760774 | Boundary apparatus and method for establishing the network connection using a resource reserving function | Kenya Takashima, Koji Nakamichi, Naotoshi Watanabe, Yutaka Ezaki | 2004-07-06 |
| 6671257 | Feedback control method and device in ATM switching system | Koji Nakamichi, Takeshi Kawasaki, Naotoshi Watanabe, Michio Kusayanagi, Kenichi Kawarai | 2003-12-30 |
| 6563794 | Boundary device for performing a connection control at a boundary between two communications networks | Kenya Takashima, Koji Nakamichi, Naotoshi Watanabe, Yutaka Ezaki, Kazunori Murata | 2003-05-13 |
| 6226265 | Packet flow monitor and control system | Koji Nakamichi, Takeshi Kawasaki, Tomohiro Ishihara, Masato Okuda, Michio Kusayanagi +3 more | 2001-05-01 |
| 6094418 | Feedback control method and device in ATM switching system | Koji Nakamichi, Takeshi Kawasaki, Naotoshi Watanabe, Michio Kusayanagi, Kenichi Kawarai | 2000-07-25 |
| 5949757 | Packet flow monitor and control system | Masafumi Katoh, Takeshi Kawasaki, Naotoshi Watanabe, Tetsuya Nishi, Koji Nakamichi +3 more | 1999-09-07 |
| 5940375 | Feedback control apparatus and cell scheduling apparatus for use with cell exchange | Koji Nakamichi, Naotoshi Watanabe, Takeshi Kawasaki | 1999-08-17 |
| 5936958 | ATM exchange for monitoring congestion and allocating and transmitting bandwidth-guaranteed and non-bandwidth-guaranteed connection calls | Naotoshi Watanabe, Masafumi Katoh, Takashi Hatano, Satoshi Kakuma | 1999-08-10 |
| 5818818 | Communication service quality control system | Takeshi Kawasaki, Masafumi Katoh | 1998-10-06 |