Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838892 | Apparatus, mobile terminal, and method to estimate quality of experience of application | Eiji Oki, Yutaka Arakawa | 2017-12-05 |
| 9667744 | Method of outputting estimated QoEs on a terminal on an application basis | Eiji Oki, Yutaka Arakawa | 2017-05-30 |
| 9478070 | Coordinate information updating device | Eiji Oki, Yutaka Arakawa | 2016-10-25 |
| 9413848 | Method of outputting estimated QoEs on a terminal on an application basis | Eiji Oki, Yutaka Arakawa | 2016-08-09 |
| 9270452 | Encryption using real-world objects | Yutaka Arakawa, Eiji Oki | 2016-02-23 |
| 9075430 | Coordinate information updating device and coordinate information generating device | Eiji Oki, Yutaka Arakawa | 2015-07-07 |
| 9001033 | Coordinate information updating device | Eiji Oki, Yutaka Arakawa | 2015-04-07 |
| 8938070 | Encryption using real-world objects | Yutaka Arakawa, Eiji Oki | 2015-01-20 |
| 8892731 | Method of outputting estimated QoEs on a terminal on an application basis | Eiji Oki, Yutaka Arakawa | 2014-11-18 |
| 8880689 | Apparatus, mobile terminal, and method to estimate quality of experience of application | Eiji Oki, Yutaka Arakawa | 2014-11-04 |
| 8488964 | Line control method in optical network and optical network itself | Yutaka Arakawa, Kazumasa TOKUHASHI | 2013-07-16 |
| 7978713 | GMPLS+IP/MPLS node and IP/MPLS node | Eiji Oki, Daisaku Shimazaki, Kohei Shiomoto | 2011-07-12 |
| 7894368 | OVPN system, OVPN terminating device, collective controlling device, and optical communication network | Akira Misawa, Satoru Okamoto, Masaru Katayama | 2011-02-22 |
| 7545829 | Layered network node, network incorporating the same, node, and layered network | Daisaku Shimazaki, Eiji Oki | 2009-06-09 |
| 7474664 | ATM switch for ensuring cell sequence | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Eiji Oki | 2009-01-06 |
| 7457240 | Node, packet communication network, packet communication method, and program | Eiji Oki, Daisaku Shimazaki | 2008-11-25 |
| 7339935 | ATM switch for distributing cells to avoid blocking in the ATM switch | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Eiji Oki | 2008-03-04 |
| 7333424 | Upper layer node, lower layer node, and node control method | Eiji Oki, Kohei Shiomoto, Satoru Okamoto, Wataru Imajuku | 2008-02-19 |
| 7313328 | Node used in photonic network, and photonic network | Eiji Oki, Wataru Imajuku, Kohei Shiomoto, Daisaku Shimazaki, Naohide Nagatsu +1 more | 2007-12-25 |
| 7292576 | ATM switch having output buffers | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Eiji Oki | 2007-11-06 |
| 7289730 | Optical path communication network, node, and optical path setup method | Nobuaki Matsuura, Wataru Imajuku, Eiji Oki | 2007-10-30 |
| 7263289 | Optical dynamic burst switch | Kohei Shiomoto, Eiji Oki | 2007-08-28 |
| 7200330 | Optical dynamic burst switch | Kohei Shiomoto, Eiji Oki | 2007-04-03 |
| 7136391 | ATM switch | Seisho Yasukawa, Naoki Takaya, Masayoshi Nabeshima, Eiji Oki | 2006-11-14 |
| 6757283 | Push network | Eiji Oki | 2004-06-29 |