TI

Tomoaki Ishifuji

HI Hitachi: 5 patents #117 of 3,771Top 4%
Overall (2004): #6,942 of 270,089Top 3%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6765959 Communication method of contactless ID card and integrated circuit used in communication method Satoshi Tanaka, Kenji Nagai, Katsuhiro Furukawa 2004-07-20
6731602 Packet communication system and packet communication apparatus Koji Watanabe 2004-05-04
6731905 Fixed wireless access system and apparatus therefor Atsushi Ogino, Hideya Suzuki, Nobukazu Doi 2004-05-04
6704547 Wireless communication base station transmission timing offset correction system Mikio Kuwahara, Nobukazu Doi 2004-03-09
6675007 Charging method and terminal equipment in the information and communication network system Tsuyoshi Tamaki, Masaaki Shida, Nobukazu Doi, Kazuko Hamaguchi 2004-01-06