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Yuichi Yagawa

HI Hitachi: 57 patents #194 of 28,497Top 1%
📍 Chigasaki, CA: #2 of 4 inventorsTop 50%
Overall (All Time): #43,322 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
7434057 System and method for watermarking in accessed data in a storage system 2008-10-07
7412576 Remote copy system having multiple data centers 2008-08-12
7383462 Method and apparatus for encrypted remote copy for secure data backup and restoration Nobuyuki Osaki 2008-06-03
7340610 Trusted time stamping storage system 2008-03-04
7334101 Point in time remote copy for multiple sites Naoki Watanabe, Shigeru Kishiro 2008-02-19
7334079 Worm providing storage system 2008-02-19
7318133 Method and apparatus for replicating volumes Naoki Watanabe, Claus William Mikkelsen 2008-01-08
7284020 System and method for data recovery in a storage system Hidehisa Shitomi 2007-10-16
7269743 Method and apparatus for secure data mirroring a storage system 2007-09-11
7197554 Data linkage method and system Tomohiro Nakagaki, Toyohiro Nomoto, Hidehiko Ogasawara, Manabu Kitamura 2007-03-27
7177883 Method and apparatus for hierarchical storage management based on data value and user interest 2007-02-13
7177995 Long term data protection system and method 2007-02-13
7171511 WORM proving storage system 2007-01-30
7165158 System and method for migrating a replication system 2007-01-16
7152067 Secure multi database system including a plurality of database devices Mitsuhiko Yoshimura, Akira Maeda, Shigetoshi Hayashi 2006-12-19
7143112 Method and apparatus for data integration 2006-11-28
7120769 Point in time remote copy for multiple sites Naoki Watanabe, Shigeru Kishiro 2006-10-10
7100008 Long term data protection system and method 2006-08-29
7096486 TV program selection support system Hiromi Ukai, Katsuhiko Abe, Hideo Nishijima, Hitoaki Owashi, Yoshiyuki Azuma 2006-08-22
6882994 Method and system for querying database, as well as a recording medium for storing a database querying program Mitsuhiko Yoshimura, Shigetoshi Hayashi, Norifumi Nishikawa, Keiichiro Inaba 2005-04-19
6857131 Method and apparatus for displaying an image and data related to the image conditioned on user identifier Michio Morioka, Shigeki Hirasawa, Tadashi Kuwabara, Tomochika Ozaki, Akio Yajima 2005-02-15
6801713 Recorded program viewing support method Hiromi Ukai, Akira Tanaka, Hideo Nishijima, Hitoaki Owashi 2004-10-05
6792425 Secure multi database system including a client, multi database server, and database server Mitsuhiko Yoshimura, Akira Maeda, Shigetoshi Hayashi 2004-09-14
6751598 Digital content distribution system and protection method Koichi Sano 2004-06-15
6691310 Information receiver and information transmission and reception method providing information usage status Shigeki Hirasawa, Eiichi Yukino, Michio Morioka, Toru Yamada, Nobukage Takahashi 2004-02-10