Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9124531 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Koji Wakayama, Shiro Tanabe | 2015-09-01 |
| 8582587 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Kojii Wakayama, Shiro Tanabe | 2013-11-12 |
| 8045909 | Surface treatment device, image forming apparatus, belt member, and image forming method | Yasuo Sakaguchi, Fumio Daishi | 2011-10-25 |
| 7983281 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Koji Wakayama, Shiro Tanabe | 2011-07-19 |
| 7881311 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Koji Wakayama, Shiro Tanabe | 2011-02-01 |
| 7869441 | Variable length packet communication device | Kenichi Sakamoto, Nobuhito Matsuyama, Takeshi Aimoto, Koji Wakayama, Norihiko Moriwaki | 2011-01-11 |
| 7518985 | Communication apparatus and communication system | Toshiki Sugawara, Kenichi Sakamoto | 2009-04-14 |
| 7518998 | IP packet communication apparatus | Kenichi Sakamoto, Toshiki Sugawara, Koji Wakayama, Kazuyoshi Hoshino | 2009-04-14 |
| 7463633 | Packet switching system, packet switching network and packet switching method | Akihiko Takase, Hajime Abe, Kazuho Miki | 2008-12-09 |
| 7456971 | Optical gas sensing apparatus | Yasuyuki Okuda, Takahiko Yoshida | 2008-11-25 |
| 7389078 | Fixing method, fixing apparatus using the same, and image forming apparatus | Fumio Daishi, Yasuo Sakaguchi | 2008-06-17 |
| 7365452 | Sensor device and output characteristic switching method of sensor device | Yasuaki Makino | 2008-04-29 |
| 7345614 | Analog to digital converter with a series of inverting elements | Yasuaki Makino, Takamoto Watanabe, Mitsuharu Kato | 2008-03-18 |
| 7054265 | Communication apparatus and communication system | Toshiki Sugawara, Kenichi Sakamoto | 2006-05-30 |
| 7046630 | Packet switching network, packet switching equipment and network management equipment | Hajime Abe, Kazuho Miki, Akihiko Takase, Yoshito Sakurai | 2006-05-16 |
| 7020085 | Method of monitoring quality of communication for each flow | Itaru Mimura, Mitsuru Nagasaka | 2006-03-28 |
| 7015706 | Semiconductor sensing device using different resistance types | Seiji Hattori | 2006-03-21 |
| 6927711 | Sensor apparatus | Takao Tsuruhara | 2005-08-09 |
| 6907006 | Method and apparatus for detecting faults in IP packet communication | Kenichi Sakamoto, Toshiki Sugawara, Koji Wakayama, Kazuyoshi Hoshino | 2005-06-14 |
| 6851879 | Image-recording device | — | 2005-02-08 |
| 6847613 | Method of monitoring quality of communication for each flow | Itaru Mimura, Mitsuru Nagasaka | 2005-01-25 |
| 6836479 | Variable length packet communication device | Kenichi Sakamoto, Nobuhito Matsuyama, Takeshi Aimoto, Koji Wakayama, Norihiko Moriwaki | 2004-12-28 |
| 6833599 | Sensitivity enhancement of semiconductor magnetic sensor | Inao Toyoda | 2004-12-21 |
| 6795431 | Packet switch and method for relaying management cells and data cells in a form of IP packet | — | 2004-09-21 |
| 6788052 | Magnetic sensor apparatus capable of directly producing digital sensor data from magnetic sensor element | Yasuaki Makino | 2004-09-07 |