Issued Patents All Time
Showing 176–191 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7701906 | Mobile station, mobile communication system, handover control method, handover control program and recording medium | Yoshihiro Ishikawa, Takahiro Hayashi, Takehiro Nakamura | 2010-04-20 |
| 7545790 | Apparatus and method for acquisition of communication quality | Shinichi Mori, Tetsuro Imai, Yoshihiro Ishikawa | 2009-06-09 |
| 7492784 | Call acceptance control method, mobile communication system and base station device | Yoshihiro Ishikawa, Seizo Onoe, Takehiro Nakamura, Takahiro Hayashi, Yoshiaki Oofuji | 2009-02-17 |
| 7366536 | Transmission power control method and radio control apparatus in mobile packet communication system | Takahiro Hayashi, Yoshihiro Ishikawa, Hidehiro Ando, Takehiro Nakamura | 2008-04-29 |
| 7330723 | Communication performance calculation method and communication performance calculation apparatus in mobile communication system, and blocking probability calculation method and blocking probability calculation apparatus in communication system, and recording medium | Yoshihiro Ishikawa | 2008-02-12 |
| 7327764 | Control system, control method, and radio network controller preferably used for the system and method | Takahiro Hayashi, Yoshihiro Ishikawa | 2008-02-05 |
| 7194266 | Handover control method, mobile station and communication control apparatus | Yoshihiro Ishikawa, Yoshiaki Ofuji, Seizo Onoe, Takehiro Nakamura, Takahiro Hayashi | 2007-03-20 |
| 7174169 | Design support system, design support method, and computer readable record medium on which program for use in those system and method is recorded | Yoshihiro Ishikawa | 2007-02-06 |
| 7167718 | Transmission power control apparatus, transmission power control method, and mobile station | Takahiro Hayashi, Yoshihiro Ishikawa, Seizo Onoe, Takehiro Nakamura, Yoshiaki Ofuji | 2007-01-23 |
| 7120446 | Call admission control method, communication system and base station device | Yoshihiro Ishikawa, Seizo Onoe, Takehiro Nakamura, Takahiro Hayashi, Yoshiaki Ofuji | 2006-10-10 |
| 7103364 | Call acceptance controlling apparatus and method thereof | Yoshihiro Ishikawa, Yoshiaki Ofuji, Seizo Onoe, Takehiro Nakamura, Takahiro Hayashi | 2006-09-05 |
| 7024186 | Communication performance calculation method and communication performance calculation apparatus in mobile communication system, and blocking probability calculation method and blocking probability calculation apparatus in communication system, and recording medium | Yoshihiro Ishikawa | 2006-04-04 |
| 6968197 | Apparatus and method for acquisition of communication quality | Shinichi Mori, Tetsuro Imai, Yoshihiro Ishikawa | 2005-11-22 |
| 6944439 | Apparatus for call admission control based on transmission power of base station | Takahiro Hayashi, Yoshihiro Ishikawa, Seizo Onoe, Takehiro Nakamura, Yoshiaki Ofuji | 2005-09-13 |
| 6873626 | Control system, control method, and radio network controller preferably used for the system and method | Takahiro Hayashi, Yoshihiro Ishikawa | 2005-03-29 |
| 6853844 | Transmission power control method and mobile station | — | 2005-02-08 |