HK

Haruo Koizumi

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
FL Fujitsu Hitachi Plasma Display Limited: 6 patents #33 of 166Top 20%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
Overall (All Time): #126,036 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5303197 Non-volatile semiconductor memory device having EEPROM cell, dummy cell, and sense circuit for increasing reliability and enabling one-bit operation Takumi Miyashita, Toshiyuki Teramoto 1994-04-12
5165086 Microprocessor chip using two-level metal lines technology Shigehiro Kamejima, Yoshimune Hagiwara, Kouki Noguchi, Minoru Ishii, Tadahiko Nishimukai +2 more 1992-11-17
4996659 Method of diagnosing integrated logic circuit Noboru Yamaguchi, Hideo Nakamura, Yoshimune Hagiwara, Tsukasa Sato 1991-02-26
4720811 Microprocessor capable of stopping its operation at any cycle time Noboru Yamaguchi, Kunio Uchiyama, Yoshimune Hagiwara, Tadahiko Nishimukai 1988-01-19
4353030 Pulse frequency multiplier circuit Hideo Nakamura, Tsuneo Funabashi 1982-10-05