HK

Hiroyuki Kumasawa

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Overall (All Time): #576,079 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8656099 Storage apparatus and storage control method for the same Kenichi Saito, Takashi Chikusa, Kazuya Hirano 2014-02-18
8612644 Storage apparatus and a data management method employing the storage apparatus Takashi Chikusa, Satoru Yamaura 2013-12-17
8508691 Optical path unit and liquid crystal display device Tomonori Miyamoto, Motohiro Yamahara, Akiyoshi Kanemitsu 2013-08-13
8462502 Structural fabric of a storage apparatus for mounting storage devices Kazuya Hirano, Takashi Chikusa, Kenichi Saito 2013-06-11
8131892 Storage apparatus and a data management method employing the storage apparatus Takashi Chikusa, Satoru Yamaura 2012-03-06
7917551 Storage system and management method thereof Takashi Chikusa, Satoru Yamaura, Kenichi Saitou, Masanobu Uryuu 2011-03-29
7730235 Storage apparatus for controlling power saving modes of multiple disk devices of different specifications Takashi Chikusa, Satoru Yamaura 2010-06-01
7609336 Liquid crystal display device Akiyoshi Kanemitsu, Motohiro Yamahara 2009-10-27
7558916 Storage system, data processing method and storage apparatus Takashi Chikusa, Satoru Yamaura, Hironori Nakama, Masashi Yukawa 2009-07-07