Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10135998 | Key telephone system, control method, terminal, and program | Hideo Maki, Shozo Shikenya, Tetsuya Takekawa, Daisuke IWATA | 2018-11-20 |
| 10092472 | Nurse call system, interface unit, and nurse call connection method | Takuya Omi, Shigeru Maruyama, Kou Nogami, Rintarou Ashida, Ken Utsuki | 2018-10-09 |
| 9787833 | Nurse call system, nurse call conversion unit, nurse call connection method, and program | Takuya Omi, Shigeru Maruyama, Kou Nogami, Rintarou Ashida, Ken Utsuki | 2017-10-10 |
| 9756516 | Communication apparatus and estimation method | Shinichi Kawashima | 2017-09-05 |
| 9609476 | Wireless device, wireless base station, and control method for a failure in a wireless network | Reiko Mitsuze | 2017-03-28 |
| 9532240 | Mobile communication system, quality control method, and monitoring control device | Yoshio Masuda, Huan Ho, Mitsuru Nakatsuji | 2016-12-27 |
| 9532250 | Communication monitoring system, communication monitoring method, and communication monitoring device | Yukiko YOKOSAWA, Rie Nagatsu | 2016-12-27 |
| 9100864 | Operation monitoring apparatus, cause event estimating method for the same, and information communication network system | — | 2015-08-04 |
| 8386635 | Data communication system capable of adjusting transmission speeds | Kenichiro Koyanagi | 2013-02-26 |
| 8244188 | Transmitting and receiving circuit | Masaru Sawada, Hideaki Kondo | 2012-08-14 |
| 8195132 | Information transfer control apparatus and information transfer control method for transferring content | — | 2012-06-05 |
| 7630739 | Dynamic cell reconfiguring method and cellular network system to which the method is applied | Seguel Kembo | 2009-12-08 |
| 7619465 | filter circuit and semiconductor device | Hideaki Kondo, Masaru Sawada, Syoichi Masui | 2009-11-17 |
| 7577732 | Information distribution service providing system | Yutaka Yasui | 2009-08-18 |
| 7266308 | Light output control circuit | Tadao Inoue, Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno +3 more | 2007-09-04 |
| 7239873 | Shared information system in network | Shinichi Kawashima | 2007-07-03 |
| 7200394 | Information distribution service system based on predicted changes in location of mobile information terminal | Hideyuki Aoki | 2007-04-03 |
| 7054835 | Electronic commerce providing system having orderer authenticating function | Kazuhiro Nanbu | 2006-05-30 |
| 6975813 | Light output control device | Tadao Inoue, Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno +3 more | 2005-12-13 |
| 6921942 | Structure of a lateral diffusion MOS transistor in widespread use as a power control device | — | 2005-07-26 |
| 6728495 | Light output control circuit with a warning function of deteriorated light output | Makoto Miki, Toshiyuki Takauji, Toru Matsuyama, Tadashi Ikeuchi, Tadao Inoue +1 more | 2004-04-27 |
| 6649455 | SOI type MOS element and manufacturing method thereof | — | 2003-11-18 |
| 6552393 | Power MOS transistor having increased drain current path | — | 2003-04-22 |
| 6469349 | SOI type MOS element and manufacturing method thereof | — | 2002-10-22 |
| 6198129 | Vertical type insulated gate transistor | — | 2001-03-06 |