EK

Eiki Kamada

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
HE Hitachi Microcomputer Eng.: 2 patents #1 of 42Top 3%
HC Hitachi Information Technology Co.: 1 patents #20 of 121Top 20%
HE Hitachi, Vlsi Eng.: 1 patents #1 of 28Top 4%
Overall (All Time): #327,654 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6560676 Cache memory system having a replace way limitation circuit and a processor Akira Nishimoto, Akira Hirono 2003-05-06
6466988 Multiprocessor synchronization and coherency control system Naonobu Sukegawa, Kouki Uwano, Shigeko Hashimoto, Masakazu Fukagawa 2002-10-15
5931895 Floating-point arithmetic processing apparatus Hiromichi Yamada, Fumio Murabayashi, Tatsumi Yamauchi, Noriyasu Ido, Yoshikazu Kiyoshige +1 more 1999-08-03
5922068 Information processing system and information processing method for executing instructions in parallel Yooichi Shintani, Kazunori Kuriyama, Tohru Shonai, Kiyoshi Inoue 1999-07-13
5845321 Store buffer apparatus with two store buffers to increase throughput of a store operation Motohisa Ito, Toshiko Isobe, Kei Yamamoto, Katsutoshi Uehara 1998-12-01
5742782 Processing apparatus for executing a plurality of VLIW threads in parallel Motohisa Ito 1998-04-21
5671382 Information processing system and information processing method for executing instructions in parallel Yooichi Shintani, Kazunori Kuriyama, Tohru Shonai, Kiyoshi Inoue 1997-09-23
5600819 Memory with sequential data transfer scheme Satoshi Oguni 1997-02-04
5075849 Information processor providing enhanced handling of address-conflicting instructions during pipeline processing Kazunori Kuriyama, Yooichi Shintani, Tohru Shonai, Kiyoshi Inoue 1991-12-24
4942525 Data processor for concurrent executing of instructions by plural execution units Yooichi Shintani, Kazunori Kuriyama, Tohru Shonai, Kiyoshi Inoue 1990-07-17
4928226 Data processor for parallelly executing conflicting instructions Yooichi Shintani, Kazunori Kuriyama, Tohru Shonai, Kiyoshi Inoue 1990-05-22
4858105 Pipelined data processor capable of decoding and executing plural instructions in parallel Kazunori Kuriyama, Yooichi Shintani, Akira Yamaoka, Tohru Shonai, Kiyoshi Inoue 1989-08-15
4831515 Information processing apparatus for determining sequence of parallel executing instructions in response to storage requirements thereof Yooichi Shintani, Tohru Shonai, Shigeo Takeuchi 1989-05-16
4760520 Data processor capable of executing instructions under prediction Yooichi Shintani, Tohru Shonai, Shigeo Takeuchi 1988-07-26
4752873 Data processor having a plurality of operating units, logical registers, and physical registers for parallel instructions execution Tohru Shonai, Shigeo Takeuchi 1988-06-21