HI

Hirofumi Iikawa

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
📍 Yokkaichi, JP: #645 of 2,072 inventorsTop 35%
Overall (All Time): #1,001,779 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8941168 Semiconductor device including a multilayered interelectrode insulating film Kazuhiro Matsuo, Masayuki Tanaka 2015-01-27
8791521 Semiconductor device and method of manufacturing the same Koji Nakahara, Kazuhiro Matsuo, Masayuki Tanaka 2014-07-29
8546216 Nonvolatile semiconductor memory device and method of fabricating the same Masayuki Tanaka 2013-10-01
8471319 Semiconductor device having multilayered interelectrode insulating film Kazuhiro Matsuo, Masayuki Tanaka 2013-06-25
8022467 Nonvolatile semiconductor memory device and method of fabricating the same Masayuki Tanaka 2011-09-20