HY

Hirotsugu Yamagata

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Overall (All Time): #662,670 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6700829 Memory package, memory system and hot-line insertion/removal method thereof Seiichi Abe, Kazunari Kano 2004-03-02
6385114 Memory package, memory system and hot-line insertion/removal method thereof Seiichi Abe, Kazunari Kano 2002-05-07
6058039 Memory package and hot-line insertion/removal method using time constant based on-off switching Seiichi Abe, Kazunari Kano 2000-05-02
5930193 Memory system using a flash memory and method of controlling the memory system Kyosuke Achiwa, Akira Yamamoto 1999-07-27
5737742 Memory system using flash memory and method of controlling the memory system Kyosuke Achiwa, Akira Yamamoto 1998-04-07
5515333 Semiconductor memory Kenji Fujita, Toshiyuki Nakao, Nobuyuki Saze 1996-05-07
5359569 Semiconductor memory Kenji Fujita, Toshiyuki Nakao, Nobuyuki Saze 1994-10-25
4908793 Storage apparatus including a semiconductor memory and a disk drive Takafumi Oka, Masafumi Nozawa, Shinichi Kawada 1990-03-13