TT

Takuo Tsuzuki

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Software Engineering Co.: 5 patents #19 of 502Top 4%
HS Hitachi Communication Systems: 3 patents #4 of 83Top 5%
HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%
Overall (All Time): #758,381 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6510556 Video distributing apparatus and video distributing system Takuo Kusaba, Yukio Shimamoto 2003-01-21
5815564 System for connecting an incoming call to a selected one of a number of extensions Masahiro Kumon, Yoshiharu Kondoh, Mitsuhiro Kotake, Masayuki Hashimura 1998-09-29
5563940 System for connecting an incoming call to a selected one of a number of extensions Masahiro Kumon, Yoshiharu Kondoh, Mitsuhiro Kotake, Masayuki Hashimura 1996-10-08
5541992 System for connecting an incoming call to a selected one of a number of extensions Masahiro Kumon, Yoshiharu Kondoh, Mitsuhiro Kotake, Masayuki Hashimura 1996-07-30
5519874 Application execution control method and system for servicing subscribers via a switchboard connected to a computer using an application management table Junko Yamagishi, Noboru Mizuhara, Tetsuo Sakuma, Tomoaki Tsunoda 1996-05-21
5502758 Mobile terminal position information detection method and system using the method Yasuhide Tabuchi, Yasumasa Ishiwata 1996-03-26
5434904 Mobile termainal position information detection method and system using the method Yasuhide Tabuchi, Yasumasa Ishiwata 1995-07-18