SO

Sadao Obana

NS Nec Communication Systems: 6 patents #9 of 75Top 15%
KC Kokusai Denshin Denwa Co.: 4 patents #92 of 382Top 25%
KD Kdd: 1 patents #44 of 96Top 50%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
📍 Kizugawa, JP: #13 of 161 inventorsTop 9%
Overall (All Time): #296,413 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9867126 Wireless base station and wireless communication systems using the same Hiroyuki Yomo, Yoshihisa Kondo, Suhua Tang, Tetsuya Ito, Akira Matsumoto +1 more 2018-01-09
9521613 Wireless base station and wireless communication system using the same Hiroyuki Yomo, Yoshihisa Kondo, Suhua Tang, Tetsuya Ito, Akira Matsumoto +1 more 2016-12-13
9374784 Terminal device, wireless base station wirelessly communicating with the same, and wireless communication system using terminal device and wireless base station Yoshihisa Kondo, Hiroyuki Yomo, Suhua Tang, Tetsuya Ito, Koichi Yoshimura +3 more 2016-06-21
8755336 Wireless device which can improve stability in wireless communications and wireless network using the same Yoshihisa Kondo, Tetsuya Ito, Akira Matsumoto, Jun Hasegawa, Satoko Itaya +3 more 2014-06-17
8238319 Radio apparatus Naoto Kadowaki, Peter Davis, Jun Hasegawa, Akio Hasegawa 2012-08-07
8184584 Wireless device which selects routes excluding loop routes and a mesh network including the same Yoshihisa Kondo, Satoko Itaya, Peter Davis, Ryutaro Suzuki, Tetsuya Ito +1 more 2012-05-22
8121629 Radio device Peter Davis, Satoko Itaya, Jun Hasegawa, Akio Hasegawa, Naoto Kadowaki 2012-02-21
8072925 Multi-hop wireless network system Oyunchimeg Shagdar, Masanori Nozaki, Youiti Kado, Bing Zhang, Mehdad Nori Shirazi +2 more 2011-12-06
8060107 Radio network system capable of autonomous estimation using position correction Yasuhisa Takizawa, Peter Davis, Makoto Kawai, Hisato Iwai, Akira Yamaguchi 2011-11-15
8041377 Radio device for preventing isolated radio devices in network Satoko Itaya, Jun Hasegawa, Akio Hasegawa, Peter Davis, Tetsuya Ito +2 more 2011-10-18
7890112 Radio device having fewer route disconnections and switchings by using control packets to maintain radio links Tetsuya Ito, Jun Hasegawa, Satoko Itaya, Akira Matsumoto, Hiroyuki Iizuka +4 more 2011-02-15
6791998 Polling period controlling apparatus Kiyohito Yoshihara, Hiroki Horiuchi, Keizo Sugiyama 2004-09-14
6259673 Route selection method Kiyohito Yoshihara, Hiroki Horiuchi, Keizo Sugiyama 2001-07-10
6081838 Method for access control on MIB in OSI management Kiyohito Yoshihara, Hiroki Horiuchi, Keizo Sugiyama 2000-06-27
5960176 Apparatus for management of SNMP/OSI gateways Tetsuya Kuroki, Hiroki Horiuchi, Keizo Sugiyama, Kenji Suzuki 1999-09-28
5638066 Efficient packed encoding method for ASN.1 Hiroki Horiuchi, Kenji Suzuki 1997-06-10