KN

Keiichi Nakatsugawa

Fujitsu Limited: 32 patents #685 of 24,456Top 3%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Shinagawa, JP: #27 of 807 inventorsTop 4%
Overall (All Time): #107,618 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7698436 IP connection processing device Hideaki Takusagawa, Yuji Matsumoto 2010-04-13
7680081 Mobile node Takeshi Kamura, Naotaka Tsuji, Yoshiyuki Seguchi, Kazuhiro Muraoka, Hidetoshi Abeta +7 more 2010-03-16
7512093 QoS setup method and QoS setup system for use in mobile communication, and mobile terminal apparatus, home agent and server apparatus used for the QoS setup system Ryuuichi Takechi, Akiko Yamada 2009-03-31
7436762 Mobile communication network system for managing the location of a mobile IP terminal Kazuyuki Oka 2008-10-14
7277708 Router and mobile communication terminal for mobile communication network Tsuguo Kato 2007-10-02
7136365 Mobile node adapted router and home agent router Tsuguo Kato, Ryuichi Takechi 2006-11-14
7113509 Node device Tsuguo Kato, Ryuichi Takechi, Hideaki Ono 2006-09-26
5083054 Permanent magnet field type DC machine Tosio Tomite, Toshimi Abukawa 1992-01-21