TI

Tomoaki Ishifuji

HI Hitachi: 4 patents #146 of 3,189Top 5%
Overall (2005): #8,830 of 245,428Top 4%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6963269 Contactless IC card Takeshi Saitoh, Masaaki Shida 2005-11-08
6900753 Method for measuring distance and position using spread spectrum signal, and an equipment using the method Katsuhiko Tsunehara, Nobukazu Doi, Mikio Kuwahara 2005-05-31
6889051 Method and apparatus for measuring transmitting time offset of a base station Atsushi Ogino, Mikio Kuwahara, Kenzaburo Fujishima 2005-05-03
6865394 Location detection method, location detection system and location detection program Atsushi Ogino, Mikio Kuwahara 2005-03-08