TI

Tomoaki Ishifuji

HI Hitachi: 40 patents #499 of 28,497Top 2%
DE Denso: 1 patents #6,940 of 11,792Top 60%
HC Hitachi Computer Engineering Co.: 1 patents #53 of 170Top 35%
NT NTT: 1 patents #2,911 of 4,871Top 60%
TO Tokin: 1 patents #101 of 278Top 40%
Overall (All Time): #80,099 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
6508400 Automatic identification equipment and IC cards Masaaki Shida 2003-01-21
6459402 Method for measuring distance and position using spectrum signal, and an equipment using the method Katsuhiko Tsunehara, Nobukazu Doi, Mikio Kuwahara 2002-10-01
6456830 Diversity wireless communication method and its wireless communication apparatus Atsushi Ogino, Hideya Suzuki 2002-09-24
6388562 Contactless IC card communication system and related method Masahiro Takiguchi, Kiyoshi Takahashi, Tatsuya Hirata, Shigeru Date, Hisanobu Dobashi +4 more 2002-05-14
6308054 Diversity wireless communication method and its wireless communication apparatus Atsushi Ogino, Hideya Suzuki 2001-10-23
6249669 Diversity wireless communication method and its wireless communication apparatus Atsushi Ogino, Hideya Suzuki 2001-06-19
6084905 Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field Gen'ichi Ishii, Shuichi Adachi 2000-07-04
6084888 Communication method and communication equipment Kouji Watanabe 2000-07-04
6061389 Frequency-hopping communication system and communication station Eiichi Amada, Yoshihiro Takiyasu, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi 2000-05-09
6014406 Frequency-hopped wireless communication system and mobile wireless terminal Masaaki Shida, Masato Hirai, Hidehiko Jusa, Takaharu Aoyama, Kenichiro Orita 2000-01-11
6010075 Moving object identification method and apparatus Toshikazu Nishino, Takeshi Saitoh, Masaaki Shida 2000-01-04
5862142 Frequency hopping wireless communication system and communication equipment Yoshihiro Takiyasu, Eiichi Amada, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi 1999-01-19
5655219 Wireless LAN system capable of re-transmission under management of a base station device to a destination mobile terminal device Hidehiko Jusa, Eiichi Amada, Yoshihiro Takiyasu, Genichi Ishii, Shuichi Adachi 1997-08-05
5559804 Wireless communication system and wireless terminal device using fixed length communication frame Eiichi Amada, Yoshihiro Takiyasu, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi 1996-09-24
5537414 Method of wireless communication between base station and mobile station and multiple access communication system Yoshihiro Takiyasu, Eiichi Amada, Hidehiko Jusa, Shuichi Adachi, Genichi Ishii 1996-07-16