Issued Patents All Time
Showing 26–50 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7873277 | Passive optical network system and wavelength assignment method | Tohru Kazawa, Ryosuke Nishino | 2011-01-18 |
| 7869441 | Variable length packet communication device | Nobuhito Matsuyama, Takeshi Aimoto, Noboru Endo, Koji Wakayama, Norihiko Moriwaki | 2011-01-11 |
| 7840137 | Optical line terminal and optical network unit capable of alarm transmission scheme for passive optical network system | Tohru Kazawa, Ryosuke Nishino | 2010-11-23 |
| 7773880 | Optical access system | Yoshihiro Ashi, Tohru Kazawa, Ryosuke Nishino, Masayuki Takase, Masahiko Mizutani | 2010-08-10 |
| 7752663 | Log analysis system, method and apparatus | Hirofumi Nakakoji, Masato Terada | 2010-07-06 |
| 7734178 | Passive optical network system, optical line terminal, and optical network unit | Tohru Kazawa | 2010-06-08 |
| 7729699 | Switching center for mobile handover | Tsutomu Kusaki, Masaru Murakami, Takashi Yokoyama | 2010-06-01 |
| 7633954 | Apparatus and method for interworking between MPLS network and non-MPLS network | Koji Wakayama, Takeshi Aimoto, Takahisa Miyamoto | 2009-12-15 |
| 7620325 | Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatuses | Masahiko Mizutani, Yoshihiro Ashi, Masayuki Takase, Atsushi Iwamura, Tohru Kazawa +1 more | 2009-11-17 |
| 7602800 | PON system | Hideki Endo, Masahiko Mizutani, Masayuki Takase, Yoshihiro Ashi, Takayuki Kanno +1 more | 2009-10-13 |
| 7586947 | Label switching type of packet forwarding apparatus | Kazuho Miki, Koji Wakayama | 2009-09-08 |
| 7522591 | Policy settable peer-to-peer session apparatus | Satoshi Kiyoto, Kazuma Yumoto | 2009-04-21 |
| 7518998 | IP packet communication apparatus | Noboru Endo, Toshiki Sugawara, Koji Wakayama, Kazuyoshi Hoshino | 2009-04-14 |
| 7518985 | Communication apparatus and communication system | Toshiki Sugawara, Noboru Endo | 2009-04-14 |
| 7446961 | Lens device | — | 2008-11-04 |
| 7394804 | Message conversion server and IP telephone | Tatsuhiko Miyata, Minoru Hidaka, Kazuyoshi Hoshino, Satoshi Kiyotou, Kazuma Yumoto | 2008-07-01 |
| 7379454 | Packet routing apparatus and routing controller | Nobuo Ogasawara, Shinichi Akahane, Hiroki Yano, Tomohiro Baba | 2008-05-27 |
| 7369768 | Optical access system | Yoshihiro Ashi, Tohru Kazawa, Ryosuke Nishino, Masayuki Takase, Masahiko Mizutani | 2008-05-06 |
| 7346375 | Rotating mechanism of biaxial hinge and portable telephone with the same | Hitoshi Sato, Yasuhiro Mitsui, Sakae Higano, Satoshi Kosugi, Katsumasa Yamaguchi | 2008-03-18 |
| 7327527 | Lens supporting frame of lens device and method of adjusting the same | Tomonari Masuzawa, Takao Araki | 2008-02-05 |
| 7173932 | Packet switching apparatus | Kazuho Miki, Koji Wakayama, Tetsuhiko Hirata, Hiroaki Miyata | 2007-02-06 |
| 7170718 | Wiring body with flexure sheet connecting the head slider and the driving unit in a disk apparatus | Makoto Miyamoto | 2007-01-30 |
| 7088557 | Head supporting device and disk drive unit using the same | Makoto Miyamoto, Hideki Kuwajima | 2006-08-08 |
| 7079544 | Apparatus and method for interworking between MPLS network and non-MPLS network | Koji Wakayama, Takeshi Aimoto, Takahisa Miyamoto | 2006-07-18 |
| 7079513 | Communication system | Tsutomu Kusaki, Masaru Murakami, Takashi Yokoyama | 2006-07-18 |