KF

Keisei Fujiwara

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
Overall (All Time): #342,628 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11803655 Retrieval system, retrieval device and retrieval method Masayuki Yoshino 2023-10-31
11475121 Confidential information processing system and confidential information processing method Hisayoshi Sato 2022-10-18
10789374 Database system and data retrieval method Yumiko Yokohari, Takayuki Suzuki, Yoshinori Sato, Masayuki Yoshino 2020-09-29
9317716 Privacy protection-type data providing system Michio Oikawa, Yoshinori Sato, Kunihiko Harada, Yumiko Yokohari, Tatsuya Nakae 2016-04-19
7606913 Presence management apparatus Kenta Shiga, Junji Fukuzawa, Tooru Tanaka, Satoshi Kiyoto 2009-10-20
7464184 Storage network management system and method Kenta Shiga, Atsuya Kumagai 2008-12-09
7451289 Storage device and system for providing communications buffer reservation function Naoko Iwami, Naoki Watanabe, Kenta Shiga 2008-11-11
7451204 Storage network management system and method Kenta Shiga, Atsuya Kumagai 2008-11-11
7421511 Path control method Kenta Shiga, Atsuya Kumagai 2008-09-02
7380019 Path control method Kenta Shiga, Atsuya Kumagai 2008-05-27
7353542 Storage system, computer system, and method of authorizing an initiator in the storage system or the computer system Kenta Shiga, Atsuya Kumagai, Daiki Nakatsuka 2008-04-01
7130900 Storage network management system and method Kenta Shiga, Atsuya Kumagai 2006-10-31
7092982 Storage system with method of minimizing redundant transmissions over a plurality of communication paths Kenta Shiga, Atsuya Kumagai 2006-08-15
6973555 Storage device and system for providing communications buffer reservation function Naoko Iwami, Naoki Watanabe, Kenta Shiga 2005-12-06