CO

Chikashi Okamoto

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
HH Hitachi High-Technologies: 2 patents #968 of 1,917Top 55%
HI Hi-Lex: 1 patents #46 of 114Top 45%
NS Nippon Cable System: 1 patents #25 of 90Top 30%
NT Ntn: 1 patents #814 of 1,364Top 60%
Overall (All Time): #197,760 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8295689 Contents reproducing apparatus and contents reproducing method 2012-10-23
8235181 Electric cable drive device and electric brake device Ritsu Sano, Tatsuya Imakura 2012-08-07
7861284 Control method and system of customer premises apparatus and gateway Takanori Yukimatsu, Yoshimichi Kudo, Mayuko Tanaka, Shigeto Oeda 2010-12-28
7617975 Service providing system and method Kenji Wada, Yoshishige Narita, Naohisa Kobayashi, Masanori Ito 2009-11-17
7590842 Service providing system and authentication system, as well as signature generating apparatus, service utilizing apparatus and verification apparatus 2009-09-15
7562231 Apparatus and system for recording and reproducing contents 2009-07-14
7549208 Method of mounting electronic circuit chip Kazuo Takaragi, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Sobe +2 more 2009-06-23
7392538 Firewall apparatus Hiromichi Ito, Shigeto Oeda 2008-06-24
7333972 Database integration management method and apparatus and processing program, medium therefor Kazuo Takaragi, Yasuko Fukuzawa, Hideki Tokuyama, Mitsuo Usami 2008-02-19
7330949 Terminal for use in a system interfacing with storage media Kazuo Takaragi 2008-02-12
7309019 Method of checking authenticity of sheet with built-in electronic circuit chip Kazuo Takaragi, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Isobe +2 more 2007-12-18
7275687 Service providing system and method Kenji Wada, Yoshishige Narita, Naohisa Kobayashi, Masanori Ito 2007-10-02
7178026 Identification code management method and management system Kazuo Takaragi, Yasuko Fukuzawa 2007-02-13
7089388 Terminal for use in a system interfacing with storage media Kazuo Takaragi 2006-08-08
7007854 Method of checking authenticity of sheet with built-in electronic circuit chip Kazuo Takaragi, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Isobe +2 more 2006-03-07
6934842 Identification code management method and management system Kazuo Takaragi, Yasuko Fukuzawa 2005-08-23
6922686 Database integration management method and apparatus and processing program, medium therefor Kazuo Takaragi, Yasuko Fukuzawa, Hideki Tokuyama, Mitsuo Usami 2005-07-26
6854062 Electronic device and communication method using bridging medium 2005-02-08
6731509 Method for mounting electronic circuit chip Kazuo Takaragi, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Sobe +2 more 2004-05-04
6659353 Method of checking authenticity of sheet with built-in electronic circuit chip Kazuo Takaragi, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Isobe +2 more 2003-12-09
6592032 Control system and method of controlling information written into storage media Kazuo Takaragi 2003-07-15
5915514 Clutch unit for automatically cancelling connection between input source and output shaft Hiromi Nojiri, Isao Mikuriya, Masahiro Kawai, Chiharu Azuma 1999-06-29