TA

Takashi Akioka

HI Hitachi: 8 patents #5 of 2,942Top 1%
Overall (1997): #992 of 185,788Top 1%
8
Patents 1997

Issued Patents 1997

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5680066 Signal transition detector circuit Masahiro Iwamura, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki, Tatsumi Yamauchi +5 more 1997-10-21
5675548 Semiconductor integrated circuit having logi gates Yuji Yokoyama, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi, Tatsumi Yamauchi +3 more 1997-10-07
5661693 Memory device for synchronously reading and writing data Noboru Akiyama, Masahiro Iwamura, Seigoh Yukutake 1997-08-26
5654931 High-speed semiconductor memory device and data processing system using the same Akihiro Tamba, Masahiro Iwamura, Yutaka Kobayashi, Kinya Mitsumoto, Tatsumi Yamauchi +1 more 1997-08-05
5646897 Logic gate circuit and parallel bit test circuit for semiconductor memory devices, capable of operation at low power source levels Seigou Yukutake, Masahiro Iwamura, Kinya Mitsumoto, Noboru Akiyama 1997-07-08
5638335 Semiconductor device Noboru Akiyama, Seigoh Yukutake, Sadayuki Ohkuma, Akihiko Emori, Shuichi Miyaoka +2 more 1997-06-10
5631600 Reference current generating circuit for generating a constant current Kinya Mitsumoto, Yutaka Kobayashi 1997-05-20
5619151 Semiconductor device Masahiro Iwamura, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki, Tatsumi Yamauchi +5 more 1997-04-08