DT

Daigo Takayanagi

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
HT Hitachi Communication Technologies: 1 patents #83 of 214Top 40%
Overall (All Time): #299,556 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8892100 Radio communication method, radio mobile device and radio base station accomodation apparatus Yosuke Takahashi, Akihiko Yoshida, Shiro Mazawa 2014-11-18
8855146 Synchronous delivery method Yosuke Takahashi, Shiro Mazawa, Akihiko Yoshida 2014-10-07
8594059 Information transmitting method and information transmitting system Shiro Mazawa, Yosuke Takahashi, Akihiko Yoshida 2013-11-26
8463302 Paging-area determination method and call-processing control apparatus in mobile communication system Shigeyasu KUBO, Yosuke Takahashi, Akihiko Yoshida 2013-06-11
8307455 Decryption-key distribution method and authentication apparatus Yosuke Takahashi, Shiro Mazawa, Akihiko Yoshida 2012-11-06
8295227 Radio communication system, mobile station, and radio base station Rintaro Katayama, Toshiyuki Saito, Shiro Mazawa 2012-10-23
8228892 Synchronous delivery method Yosuke Takahashi, Shiro Mazawa, Akihiko Yoshida 2012-07-24
8175598 Wireless communication system Shigeyasu KUBO, Yosuke Takahashi, Akihiko Yoshida 2012-05-08
8131299 Location registration area assigning method and wireless communication system Shigeyasu KUBO, Yosuke Takahashi, Akihiko Yoshida 2012-03-06
8121084 Area management system Akihiko Yoshida, Shiro Mazawa, Yosuke Takahashi 2012-02-21
7990939 Information transmitting method and information transmitting system Shiro Mazawa, Yosuke Takahashi, Akihiko Yoshida 2011-08-02
7965696 Information transmitting method and information transmitting system Shiro Mazawa, Yosuke Takahashi, Akihiko Yoshida 2011-06-21
7912478 Wireless communication system and base station Kiyoshi Kawamoto, Shiro Mazawa 2011-03-22
7907951 Wireless communication system and base station Kiyoshi Kawamoto, Shiro Mazawa 2011-03-15
7729309 Area management system Akihiko Yoshida, Shiro Mazawa, Yosuke Takahashi 2010-06-01
7634278 Wireless communication system and base station Kiyoshi Kawamoto, Shiro Mazawa 2009-12-15