| 8548654 |
Signaling system |
Keiichi Katsuta, Yoichi Sugita |
2013-10-01 |
| 8526615 |
Storage system executing encryption and decryption processing |
Kazuhisa Fujimoto, Makio Mizuno |
2013-09-03 |
| 8122075 |
Pseudorandom number generator and encryption device using the same |
Hirotaka Yoshida |
2012-02-21 |
| 8108682 |
Hash value generator |
Hisayoshi Sato |
2012-01-31 |
| 7903816 |
Storage system executing encryption and decryption processing |
Kazuhisa Fujimoto, Makio Mizuno |
2011-03-08 |
| 7756613 |
Signaling system |
Keiichi Katsuta, Yoichi Sugita, Takashi Yamaguchi |
2010-07-13 |
| 7372962 |
Storage system executing encryption and decryption processing |
Kazuhisa Fujimoto, Makio Mizuno |
2008-05-13 |
| 7359515 |
Method and apparatus for symmetric-key decryption |
Soichi Furuya, Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki +1 more |
2008-04-15 |
| 7280659 |
Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
Soichi Furuya, Kazuo Takaragi |
2007-10-09 |
| 7269487 |
Method for train positioning |
Kenji Oguma, Noriharu Amiya |
2007-09-11 |
| 7224796 |
Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
Soichi Furuya, Kazuo Takaragi |
2007-05-29 |
| 7201350 |
Signaling safety system |
Yoichi Sugita, Masakazu Akiyama |
2007-04-10 |
| 7200232 |
Method and apparatus for symmetric-key decryption |
Soichi Furuya, Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki +1 more |
2007-04-03 |
| 7165748 |
Train position detection system |
Tomohiro Ebuchi, Hiroshi Taoka |
2007-01-23 |
| 7110545 |
Method and apparatus for symmetric-key encryption |
Soichi Furuya, Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki +1 more |
2006-09-19 |
| 7099754 |
Signal safety method, signal safety apparatus and signal safety system |
Yoichi Sugita, Takatoshi Miyazaki, Kiyoshi Chiba |
2006-08-29 |
| 7006012 |
Automatic train stop system |
Hiroshi Taoka, Noriharu Amiya |
2006-02-28 |
| 6732023 |
Train control method and apparatus |
Yoichi Sugita, Yasushi Yokosuka, Kiyoshi Chiba |
2004-05-04 |
| 5506938 |
Expert system development support system and expert system environment utilizing a frame processing technique |
Chihiro Fukui, Hiroyuki Kudo, Masahiko Amano, Yasushi Harada |
1996-04-09 |
| 5359701 |
Expert system development support system and expert system environment utilizing a frame processing tecnique |
Chihiro Fukui, Hiroyuki Kudo, Masahiko Amano, Yasushi Harada |
1994-10-25 |
| 5228117 |
Expert system development support system and expert system environment utilizing a frame processing technique |
Chihiro Fukui, Hiroyuki Kudo, Masahiko Amano, Yasushi Harada |
1993-07-13 |