Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298737 | Information processing apparatus, information processing method, article manufacturing system, and article manufacturing method | — | 2025-05-13 |
| 9172581 | Communication system, datacenter apparatus, and control method used in datacenter apparatus | Shingo Kimura, Toshio Nishida, Takeshi Watakabe | 2015-10-27 |
| 9057966 | Information processing apparatus, information processing method, and memory medium | Daisuke Itai, Kunitaka Ozawa | 2015-06-16 |
| 8238331 | Communication system and telephone exchange apparatus | Shuichi Sato | 2012-08-07 |
| 8065270 | Information processing system, information processing method, and memory medium | Daisuke Itai, Kunitaka Ozawa, Hiroaki Fujiwara, Hisao Nakagawa, Hajime Nakamura +1 more | 2011-11-22 |
| 8060472 | Information processing system, information processing method, and computer-readable storage medium | Daisuke Itai, Kunitaka Ozawa, Hiroaki Fujiwara, Hisao Nakagawa, Hajime Nakamura +1 more | 2011-11-15 |
| 6876732 | Service providing method for electronic device, customer center, and user system | Yoshimitsu Ebisawa, Seiichi Yamamoto, Hitoshi Kato, Yasuo Funato, Takeshi Makita | 2005-04-05 |
| 6633631 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2003-10-14 |
| 6496576 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2002-12-17 |
| 6456705 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2002-09-24 |
| 6408060 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2002-06-18 |
| 6377671 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2002-04-23 |
| 6373924 | Digital key telephone system and extension terminal device thereof | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2002-04-16 |
| 6263061 | Digital button telephone system and extension terminal for the same | Toshiaki Tanaka, Hiroshi Mano, Setsuo Kimura, Yoshihito Nagano, Masayuki Tsurusaki +4 more | 2001-07-17 |
| 5613443 | Amusement ride for traveling down a water chute with reduced splash | Moriaki Ariga, Reiichi Ojima, Toshihiro Kobayashi | 1997-03-25 |
| 5388152 | Key telephone system capable of regulating volume of handset | — | 1995-02-07 |
| 5313523 | Sound volume controlling apparatus | — | 1994-05-17 |