KW

Koji Wakayama

HI Hitachi: 32 patents #817 of 28,497Top 3%
HC Hitachi Information Technology Co.: 2 patents #14 of 121Top 15%
HE Hitachi Kokusai Electric: 1 patents #493 of 843Top 60%
Overall (All Time): #103,515 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6980553 Router apparatus using ATM switch Kazuho Miki, Masahiro Takatori, Akihiko Takase, Masaru Murakami, Tetsuro Yoshimoto +1 more 2005-12-27
6907006 Method and apparatus for detecting faults in IP packet communication Kenichi Sakamoto, Noboru Endo, Toshiki Sugawara, Kazuyoshi Hoshino 2005-06-14
6836479 Variable length packet communication device Kenichi Sakamoto, Nobuhito Matsuyama, Takeshi Aimoto, Noboru Endo, Norihiko Moriwaki 2004-12-28
6771662 Label switching type of packet forwarding apparatus Kazuho Miki, Kenichi Sakamoto 2004-08-03
6633571 VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus Kenichi Sakamoto, Kazuyoshi Hoshino, Shiro Tanabe, Noboru Endo 2003-10-14
6424662 Router apparatus using ATM switch Kazuho Miki, Masahiro Takatori, Akihiko Takase, Masaru Murakami, Tetsuro Yoshimoto +1 more 2002-07-23
6385171 Router apparatus using ATM switch Akihiko Takase, Masahiro Takatori, Kazuho Miki, Masaru Murakami, Tetsuro Yoshimoto +1 more 2002-05-07
6046999 Router apparatus using ATM switch Kazuho Miki, Masahiro Takatori, Akihiko Takase, Masaru Murakami, Tetsuro Yoshimoto +1 more 2000-04-04
5963555 Router apparatus using ATM switch Akihiko Takase, Masahiro Takatori, Kazuho Miki, Masaru Murakami, Tetsuro Yoshimoto +1 more 1999-10-05