Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099604 | Communication system, method for transferring information, and information-communication device | Makoto Aikawa, Hiroyuki Higaki | 2012-01-17 |
| 8001326 | Portable terminal | Kazunori Hashimoto, Makoto Aikawa, Hidenori Nanami, Yutaka Takami | 2011-08-16 |
| 7873767 | Wireless IC memory, accessing apparatus for use of wireless IC memory, accessing control method for use of wireless IC memory, and wireless IC memory system | Masumi Moritani, Hiroyuki Higaki, Yuichi Kobayashi, Atsushi Honzawa | 2011-01-18 |
| 7737824 | Radio frequency identification (RFID) tag, portable terminal, and server for RFID tag | Makoto Aikawa, Yutaka Takami, Masumi Moritani, Hashimoto Kazunori | 2010-06-15 |
| 7710272 | Radio frequency identification (RFID) device with a response stop command | Yutaka Takami, Masumi Moritani | 2010-05-04 |
| 7425897 | Radio frequency identification (RFID) device with a response stop command | Yutaka Takami, Masumi Moritani | 2008-09-16 |
| 7404523 | IC card with a cipher key conversion function | Yutaka Takami, Kazunori Hashimoto, Makoto Aikawa, Tetsuharu Inamitsu | 2008-07-29 |
| 7360091 | Secure data transfer method of using a smart card | Makoto Aikawa, Yutaka Takami | 2008-04-15 |
| 7356645 | Portable terminal with an IC card mounted thereon | Kazunori Hashimoto, Makoto Aikawa, Hidenori Nanami, Yutaka Takami | 2008-04-08 |
| 7246506 | Thermal storage medium using a hydrate and apparatus thereof, and method for producing the thermal storage medium | Shingo Takao, Hidemasa Ogoshi, Shigenori Matsumoto | 2007-07-24 |
| 7136910 | Information device, information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Hidefumi Goto | 2006-11-14 |
| 7003606 | Electronic device, method for using electronic device, and electronic device system for reserving bus usage time on a bus to conduct communications between electronic devices | Takahiko Nozoe, Tsukasa Hasegawa, Hidefumi Gotou | 2006-02-21 |
| 6895393 | Electronic book distributing system by use of purchase certificate and devices therefor | Toru Numata, Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada +6 more | 2005-05-17 |
| 6840448 | Portable information processing apparatus | Yutaka Takami, Atsushi Yoshioka, Isao Nakagawa, Shuzo Matsumoto, Kiyoharu Kishimoto | 2005-01-11 |
| 6757765 | Electronic device, method for using electronic device, and electronic device system for reserving bus usage time on a bus to conduct communications between electronic devices | Takahiko Nozoe, Tsukasa Hasegawa, Hidefumi Gotou | 2004-06-29 |
| 6728765 | Information device, information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Hidefumi Goto | 2004-04-27 |
| 6697563 | Information recording medium, motion-picture voice recording/reproducing apparatus, and motion-picture voice recording/reproducing method | Osamu Komoda, Tsukasa Hasegawa, Tamotsu Ito, Masahiro Kageyama | 2004-02-24 |
| 6691150 | Information device, information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Hidefumi Goto | 2004-02-10 |
| 6584272 | Data recording apparatus | Tsukasa Hasegawa | 2003-06-24 |
| 6487589 | Information device, information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Hidefumi Goto | 2002-11-26 |
| 6237346 | Method for transporting cold latent heat and system therefor | Hidemasa Ogoshi, Shingo Takao | 2001-05-29 |
| 6131111 | Information device information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Hidefumi Goto | 2000-10-10 |