YT

Yutaka Takami

HI Hitachi: 35 patents #681 of 28,497Top 3%
HS Hitachi Video And Information Systems: 13 patents #2 of 269Top 1%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #99,211 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
8094890 Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication method Makoto Aikawa, Shoko Hatanaka, Kazunori Hashimoto, Shigeyuki Ito 2012-01-10
8001326 Portable terminal Shinichiro Fukushima, Kazunori Hashimoto, Makoto Aikawa, Hidenori Nanami 2011-08-16
7737824 Radio frequency identification (RFID) tag, portable terminal, and server for RFID tag Makoto Aikawa, Shinichiro Fukushima, Masumi Moritani, Hashimoto Kazunori 2010-06-15
7710272 Radio frequency identification (RFID) device with a response stop command Shinichiro Fukushima, Masumi Moritani 2010-05-04
7628323 System of settlement transaction and method Kazunori Hashimoto, Makoto Aikawa 2009-12-08
7611047 System of settlement transaction and method Kazunori Hashimoto, Makoto Aikawa 2009-11-03
7425897 Radio frequency identification (RFID) device with a response stop command Shinichiro Fukushima, Masumi Moritani 2008-09-16
7404523 IC card with a cipher key conversion function Shinichiro Fukushima, Kazunori Hashimoto, Makoto Aikawa, Tetsuharu Inamitsu 2008-07-29
7360091 Secure data transfer method of using a smart card Makoto Aikawa, Shinichiro Fukushima 2008-04-15
7356645 Portable terminal with an IC card mounted thereon Shinichiro Fukushima, Kazunori Hashimoto, Makoto Aikawa, Hidenori Nanami 2008-04-08
7346579 Electronic purse application system and method thereof Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue, Iwao Aizawa 2008-03-18
7278029 Program writable IC card and method thereof Masayuki Inoue, Shigeyuki Itoh, Kenji Matsumoto 2007-10-02
7246739 System of settlement transaction and method Kazunori Hashimoto, Makoto Aikawa 2007-07-24
6976625 Electronic purse Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue 2005-12-20
6938165 Program writable IC card and method thereof Masayuki Inoue, Shigeyuki Itoh, Kenji Matsumoto 2005-08-30
6902106 Electronic money transaction system with a radio transmitter and receiver using a portable telephone Kenji Matsumoto, Shigeyuki Itoh 2005-06-07
6840448 Portable information processing apparatus Shinichiro Fukushima, Atsushi Yoshioka, Isao Nakagawa, Shuzo Matsumoto, Kiyoharu Kishimoto 2005-01-11
6827258 Electronic purse Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue 2004-12-07
6732272 Program writable integrated circuit card and method therefore Masayuki Inoue, Shigeyuki Itoh, Kenji Matsumoto 2004-05-04
6634549 IC card automated transaction terminal and IC used therein Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue 2003-10-21
6536661 Electronic money transaction system with a radio transmitter and receiver using a portable telephone Kenji Matsumoto, Shigeyuki Itoh 2003-03-25
6505297 IC card terminal device and installation of application program into IC card terminal device Tetsuharu Inamitsu, Masayuki Inoue, Koichi Yoneta, Shigeyuki Itoh, Kenji Matsumoto +1 more 2003-01-07
6484946 IC card information display device and IC card for use therewith Kenji Matsumoto, Shigeyuki Ito, Masayuki Inoue, Koichi Yoneta, Tetsuharu Inamitsu +1 more 2002-11-26
6425522 IC card information processing system, and apparatus and cards for the same Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue, Koichi Yoneta, Tetsuharu Inamitsu +1 more 2002-07-30
6382505 Electronic purse Kenji Matsumoto, Shigeyuki Itoh, Masayuki Inoue 2002-05-07