Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422762 | Abnormality detecting apparatus for detecting abnormality at interface portion of contact arm | Masayoshi Ichikawa | 2013-04-16 |
| 8401384 | Optical access system, optical switching unit and optical line terminal | Koji Wakayama, Michitaka Okuno, Kenichi Sakamoto | 2013-03-19 |
| 8380065 | Optical access system and optical line terminal | Michitaka Okuno, Koji Wakayama, Kenichi Sakamoto | 2013-02-19 |
| 8374501 | Optical line terminal and optical line transmission and reception system | Hideya Yoshiuchi, Ying Shi | 2013-02-12 |
| 8331784 | Network system and optical line terminal | Masahiko Mizutani, Toshiki Sugawara | 2012-12-11 |
| 8284872 | Burst mode receiver | Jun Sugawa, Masayoshi Yagyu | 2012-10-09 |
| 8281978 | Electronic apparatus produced using lead-free bonding material for soldering | Katsu Yanagimoto | 2012-10-09 |
| 8259751 | Bandwidth-allocating device and method | Ying Shi, Hideya Yoshiuchi | 2012-09-04 |
| 8254292 | Storage function method and apparatus in a passive optical network | Na Zhang | 2012-08-28 |
| 8244130 | Passive optical network system with mode-variable optical network unit | Ying Shi, Hideya Yoshiuchi | 2012-08-14 |
| 8239468 | Session QoS control apparatus | Shiro Tanabe, Kazuma Yumoto, Masashi Yano | 2012-08-07 |
| 8116627 | PON system method for receiving optical signal and OLT | Toshiki Sugawara, Yusuke Yajima | 2012-02-14 |
| 8090261 | Network system, optical line terminating apparatus, and optical network apparatus | Toshiki Sugawara, Yusuke Yajima, Tohru Kazawa | 2012-01-03 |
| 8028411 | Method for manufacturing a liquid jet head and a liquid jet apparatus | — | 2011-10-04 |
| 8027586 | Passive optical network system and optical line terminating apparatus | Masahiko Mizutani, Toshiki Sugawara, Shinobu Gohara | 2011-09-27 |
| 7974269 | Mobile communication control method and mobile communication system | Yukiko Takeda, Shiro Tanabe, Hui Deng | 2011-07-05 |
| 7936991 | Optical line terminating apparatus and optical communication system | Toshiki Sugawara, Masahiko Mizutani, Kenichi Sakamoto | 2011-05-03 |
| 7912071 | Passive optical network system for supporting virtual ethernet service and method for the same | Juan Wu | 2011-03-22 |
| 7869687 | Channel switching system and method of IPTV service in passive optical network | Nie Yaling | 2011-01-11 |
| 7859286 | Electronic device test system | Katsuhiko Suzuki, Shigeki Kaneko | 2010-12-28 |
| 7796198 | Display control apparatus of display panel, and display device having display control apparatus | Toshio Ueda | 2010-09-14 |
| 7660309 | Storage function method and apparatus in a passive optical network | Na Zhang | 2010-02-09 |
| 7639905 | Channel switching system and method of IPTV service in passive optical network | Nie Yaling | 2009-12-29 |
| 7606914 | Session QoS control apparatus | Shiro Tanabe, Kazuma Yumoto, Masashi Yano | 2009-10-20 |
| 7599682 | Method of implementing multi-party conference service by using broadcast/multicast service of a wireless communications system | Yukiko Takeda, Shiro Tanabe, Peng Yang, Hui Deng, Yuanchen Ma | 2009-10-06 |