Issued Patents All Time
Showing 25 most recent of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10616863 | Wireless communication system, device, and control method for searching multiple communication frequency channels and processing cryptographic communication in an infrastructure mode using a received communication parameter including information of an encrypted key | Mitsuhiro Watanabe, Ken'ichi Fujii | 2020-04-07 |
| 9167371 | Wireless communication system, and wireless communication device and control method for establishing a connection with another wireless device before an elapsed time period without the intervention of a base station | Mitsuhiro Watanabe, Ken'ichi Fujii | 2015-10-20 |
| 8577206 | Information record medium, information record device and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing control signal | Tohru Kanegae, Takao Sawabe, Nobuyuki Takakuwa, Yasuko Fukuda, Takeshi Koda | 2013-11-05 |
| 8527790 | Communication apparatus and communication method | Hiroshi Mashimo, Kazutoshi Hara | 2013-09-03 |
| 8488947 | Apparatus for and method of recording information, apparatus for and method of reproducing information, recording medium, and information recording medium | Tohru Kanegae, Takao Sawabe, Takeshi Koda, Nobuyuki Takakuwa, Yasuko Fukuda | 2013-07-16 |
| 8488948 | Apparatus for and method of recording information, apparatus for and method of reproducing information, recording medium, and information recording medium | Tohru Kanegae, Takao Sawabe, Takeshi Koda, Nobuyuki Takakuwa, Yasuko Fukuda | 2013-07-16 |
| 8406699 | Method and apparatus for reducing the load of managing the power save state of a partner | Hiroshi Mashimo, Kazutoshi Hara | 2013-03-26 |
| 8250218 | Wireless communication system, and wireless communication device and control method for establishing a one-to-one relationship between wireless communication devices | Mitsuhiro Watanabe, Kenichi Fujii | 2012-08-21 |
| 8139917 | Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing control signal | Takeshi Koda, Nobuyuki Takakuwa, Takao Sawabe, Tohru Kanegae, Yasuko Fukuda +1 more | 2012-03-20 |
| 8131859 | Wireless communication system, and wireless communication device and control method | Ken'ichi Fujii, Mitsuhiro Watanabe | 2012-03-06 |
| 8126149 | Communication apparatus having power-saving communication function, and communication method | Kazutoshi Hara, Hiroshi Mashimo | 2012-02-28 |
| 8098980 | Information record medium, information record device and method, information reproduction device and method, information record/reproduction device and method, recording or reproduction control,computer program and data structure including a control signal | Nobuyuki Takakuwa, Takeshi Koda, Tohru Kanegae, Takao Sawabe, Yasuko Fukuda +1 more | 2012-01-17 |
| 8081871 | Information recording medium, information recording apparatus and method, information reproducing apparatus and method, and computer program for record or reproduction control | Nobuyuki Takakuwa, Yasuko Fukuda, Takao Sawabe, Tohru Kanegae, Takeshi Koda | 2011-12-20 |
| 8027567 | Apparatus for and method of recording information, apparatus for and method of reproducing information, recording medium, and information recording medium | Tohru Kanegae, Takao Sawabe, Takeshi Koda, Nobuyuki Takakuwa, Yasuko Fukuda | 2011-09-27 |
| 8023797 | Information record medium, information record apparatus and method, information reproduction apparatus and method, information record reproduction apparatus and method, computer program for record or reproduction control, and data structure containing control signal | Nobuyuki Takakuwa, Yasuko Fukuda, Takao Sawabe, Tohru Kanegae, Takeshi Koda +1 more | 2011-09-20 |
| 8019196 | Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure including control signal | Nobuyuki Takakuwa, Yasuko Fukuda, Takao Sawabe, Tohru Kanegae, Takeshi Koda +1 more | 2011-09-13 |
| 7970255 | Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing control signal | Takeshi Koda, Nobuyuki Takakuwa, Takao Sawabe, Tohru Kanegae, Yasuko Fukuda +1 more | 2011-06-28 |
| 7929829 | Information recording medium, information recording apparatus and method, information reproducing apparatus and method, information recording/reproducing apparatus and method, recording or reproduction control computer program, and data structure containing control signal | Tohru Kanegae, Takeshi Koda, Yasuko Fukuda, Takao Sawabe, Nobuyuki Takakuwa +1 more | 2011-04-19 |
| 7912221 | Communication apparatus and method thereof | — | 2011-03-22 |
| RE42146 | Information recording medium, information recording apparatus and method, information reproducing apparatus and method, computer data signal embodied in a carrier wave | Takao Sawabe | 2011-02-15 |
| 7885158 | Information recording apparatus, recording medium, and information recording method for recording information including characteristic information in correspondence to medium type information | Takao Sawabe, Yukiyoshi Haraguchi, Takeo Tobe, Kazutaka Mitsuki, Hiroyuki Kirikawa | 2011-02-08 |
| 7882234 | Wireless communication system, wireless communication device, and control method for establishing a one-to-one relationship | Mitsuhiro Watanabe, Ken'ichi Fujii | 2011-02-01 |
| 7873848 | Method for rapidly shifting a communication apparatus to a power save mode in an adhoc network | Hiroshi Mashimo, Kazutoshi Hara | 2011-01-18 |
| 7860368 | Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure containing control signal | Nobuyuki Takakuwa, Yasuko Fukuda, Takao Sawabe, Tohru Kanegae, Takeshi Koda | 2010-12-28 |
| 7848214 | Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure including control signal | Tohru Kanegae, Takao Sawabe, Nobuyuki Takakuwa, Yasuko Fukuda, Takeshi Koda | 2010-12-07 |