Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934132 | Communication system and method for controlling the same | Akihiro Tanaka, Akio Tajima, Wakako Maeda | 2011-04-26 |
| 7907850 | Optical communication device and quantum key distribution system using the same | Akihiro Tanaka, Akio Tajima, Wakako Maeda | 2011-03-15 |
| 7783042 | Communication system and synchronization method thereof | Wakako Maeda, Shuji Suzuki, Akio Tajima, Akihiro Tanaka | 2010-08-24 |
| 7761686 | Address translator and address translation method | Atsushi Ike | 2010-07-20 |
| 7734757 | Method and system for managing shared information | Wakako Maeda, Akio Tajima, Akihiro Tanaka | 2010-06-08 |
| 7560683 | Photo detecting circuit and noise elimination method utilized to produce a photo reception signal | Akio Tajima, Takeshi Takeuchi, Akihiro Tanaka, Wakako Maeda | 2009-07-14 |
| 7447260 | Equalizer, equalization method, and transmitter | — | 2008-11-04 |
| 7422024 | Ultrasonic shower cleaning apparatus of double-side cleaning type | Junpei Ohkawara, Kazunari Suzuki | 2008-09-09 |
| D548743 | Television receiver display layout | Toru Sato | 2007-08-14 |
| 7197246 | Optical switch, optical amplifier and optical power controller as well as optical add-drop multiplexer | Hirofumi Shimomura, Naoya Henmi | 2007-03-27 |
| 7140906 | Modular plug | — | 2006-11-28 |
| 7013576 | Measuring device using multi-start threaded spindle | Shuuji Hayashida, Kouji Sasaki, Yuichi Ichikawa, Osamu Saito, Masamichi Suzuki +5 more | 2006-03-21 |
| 6957018 | Optical packet exchange system and optical switch | Soichiro Araki, Yoshihiko Suemura, Akio Tajima, Yoshiharu Maeno, Naoya Henmi | 2005-10-18 |
| D496341 | Television receiver | Kiyoshi Nakata, Takashi Inoue | 2004-09-21 |
| D496009 | Television receiver | Mitsuru Takami | 2004-09-14 |
| 6781265 | Linear actuator | Shuuji Hayashida, Osamu Saito | 2004-08-24 |
| 6760346 | Packet switching network | Yoshihiko Suemura, Soichiro Araki, Yoshiharu Maeno, Akio Tajima | 2004-07-06 |
| 6760552 | Optical receiving circuit and optical communication device | Akio Tajima, Hiroaki Takahashi, Soichiro Araki, Naoya Henmi, Yoshihiko Suemura +1 more | 2004-07-06 |
| D492291 | Monitor/television receiver | Tatsuyoshi Asawa, Takayasu Nagao | 2004-06-29 |
| D488819 | Digital CATV terminal | Takayasu Nagao | 2004-04-20 |
| 6675491 | Scale on an apparatus for measuring displacement | Kouji Sasaki, Yoshikazu Ooyama, Hiroshi Koizumi, Nobuyuki Shinpou | 2004-01-13 |
| 6671976 | Output-attached measuring instrument | Masamichi Suzuki, Kouji Sasaki, Yoshiaki Shiraishi | 2004-01-06 |
| D483020 | Monitor/television receiver | Takayasu Nagao, Tatsuyoshi Asawa | 2003-12-02 |
| D481022 | Monitor/television receiver | Takashi Inoue | 2003-10-21 |
| 6570687 | Optical packet exchange system and optical switch | Soichiro Araki, Yoshihiko Suemura, Akio Tajima, Yoshiharu Maeno, Naoya Henmi | 2003-05-27 |