Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12008894 | Roadside information processing system | Kenichi Nakura, Takeshi SUEHIRO | 2024-06-11 |
| 11856482 | Mobile apparatus, map management apparatus, positioning system, control circuit, and recording medium | Akinori Taira | 2023-12-26 |
| 10803751 | Processing device | Akinori Taira, Kenichi Nakura | 2020-10-13 |
| 9264213 | Time synchronization method for communication system, slave station apparatus, master station apparatus, control device, and program | Kenichi Nakura, Yoshifumi Hotta, Jun Mizuguchi | 2016-02-16 |
| 8879912 | Bandwidth control method, communication system, and communication device | Takashi Nishitani, Masaki Tanaka | 2014-11-04 |
| 8719674 | Communication apparatus | Koji Takahashi, Hideaki Yamanaka | 2014-05-06 |
| 8615169 | PON system and redundancy method | Kaori Mie, Yoshifumi Hotta, Hiroaki Mukai | 2013-12-24 |
| 8565601 | Communication method for optical communication system, optical communication system, slave station apparatus, control device, and computer program | Kenichi Nakura, Hiroaki Mukai, Daisuke Ito, Masaki Tanaka | 2013-10-22 |
| 8130782 | Control system using a mini slot signal in a passive optical network | Yoshihiro Asashiba, Toshikazu Yoshida, Hiroaki Mukai | 2012-03-06 |
| 7917833 | Communication apparatus, transmitter, receiver, and error correction optical communication system | Takashi Mizuochi, Naoki Suzuki | 2011-03-29 |
| 7496294 | Optical multi-branch communication system | Michiya Takemoto, Toshikazu Yoshida, Hiroaki Mukai, Yoshihiro Asashiba, Hiroshi Ichibangase +1 more | 2009-02-24 |
| 7443874 | Control system using a mini slot signal in a passive optical network | Yoshihiro Asashiba, Toshikazu Yoshida, Hiroaki Mukai | 2008-10-28 |
| 7340182 | Multiplexer | Aritomo Uemura, Kazuo Kubo, Hiroshi Ichibangase | 2008-03-04 |
| 7317688 | Optical communication system with dynamic bandwidth allocation | Hiroaki Mukai, Toshikazu Yoshida, Tetsuya Yokotani | 2008-01-08 |
| 7139487 | Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method | Hiroshi Ichibangase | 2006-11-21 |
| 7039066 | Dynamic bandwidth assignment system and dynamic bandwidth assignment method capable of reducing cell transmission delay | Takamasa Suzuki, Minoru Akita, Yoshihiro Asashiba, Tetsuya Yokotani | 2006-05-02 |
| 6870859 | Multiplexing system and multiplexing method of tributary signals | Kazuo Kubo, Hiroshi Ichibangase, Eiichi Shibano, Tadami Yasuda | 2005-03-22 |