HI

Hirofumi Ikawa

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
FI Fujimi Incorporated: 3 patents #60 of 216Top 30%
Overall (All Time): #679,618 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12269970 Polishing composition, polishing method and method for producing semiconductor substrate Yukinobu Yoshizaki 2025-04-08
11702570 Polishing composition Ryota MAE, Tsutomu Yoshino, Shogo Onishi, Yasuto Ishida 2023-07-18
11384256 Polishing method and method for manufacturing semiconductor substrate Yukinobu Yoshizaki, Satoru Yarita 2022-07-12
8615628 File server, file management system and file management method Nobuyuki Saika, Shinichi Moriwake, Hitoshi Kamei, Takahiro Nakano 2013-12-24
8171215 File server, file management system and file management method Nobuyuki Saika, Shinichi Moriwake, Hitoshi Kamei, Takahiro Nakano 2012-05-01
7895468 Autonomous takeover destination changing method in a failover Takeshi Kitamura, Nobuyuki Saika 2011-02-22
7873867 Power saving method in NAS and computer system using the method Takeshi Kitamura, Nobuyuki Saika 2011-01-18