YS

Yoshihito Sako

HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HC Hitachi Information Technology Co.: 6 patents #4 of 121Top 4%
HC Hitachi Software Engineering Co.: 1 patents #175 of 502Top 35%
📍 Hadano, JP: #101 of 1,025 inventorsTop 10%
Overall (All Time): #469,777 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7170885 Packet switching method and apparatus thereof Nagayuki Hirota, Hiroshi Sekino, Shigeki Morimoto, Masashi Fukuda 2007-01-30
7167474 Network relaying apparatus and network relaying method capable of high-speed routing and packet transfer Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Tomohiko Tanabe 2007-01-23
6874033 Network repeater and network next transfer desitination searching method Kazuo Sugai, Takeshi Aimoto, Nobuhito Matsuyama, Shinichi Akahane, Noboru Tanabe 2005-03-29
6778532 Packet relaying apparatus and high speed multicast system Shinichi Akahane, Kazuo Sugai, Takeshi Aimoto, Nobuhito Matsuyama, Hiroshi Sekino 2004-08-17
6683885 Network relaying apparatus and network relaying method Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Tomohiko Tanabe 2004-01-27
6671277 Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality control Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Tomohiko Tanabe 2003-12-30
6658003 Network relaying apparatus and network relaying method capable of high-speed flow detection Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Tomohiko Tanabe 2003-12-02
6650642 Network relaying apparatus and network relaying method capable of high-speed routing and packet transfer Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Tomohiko Tanabe 2003-11-18
6542496 Packet switching method and apparatus thereof Nagayuki Hirota, Hiroshi Sekino, Shigeki Morimoto, Masashi Fukuda 2003-04-01
5978844 Internetworking apparatus for load balancing plural networks Kazuaki Tsuchiya, Tetsuo Oura, Ken Watanabe 1999-11-02
4984233 Method and apparatus for testing station address in network Susumu Nakayashiki, Jiro Kashio, Hisashi Matsumura, Hiroyuki Wada, Fumiaki Matsuura +1 more 1991-01-08