MI

Masahiro Iwamura

HI Hitachi: 89 patents #45 of 28,497Top 1%
FU Fujikura: 1 patents #788 of 1,407Top 60%
HC Hitachi Haramachi Electronics Co.: 1 patents #22 of 64Top 35%
Overall (All Time): #18,065 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 26–50 of 90 patents

Patent #TitleCo-InventorsDate
5734913 Low power consumption semiconductor integrated circuit device and microprocessor Shigeya Tanaka, Hideo Maejima, Tetsuo Nakano 1998-03-31
5734616 Semiconductor memory device and sense circuit Hideto Kazama, Shuichi Miyaoka, Akihiko Emori, Kinya Mitsumoto, Tomoyuki Someya +1 more 1998-03-31
5680066 Signal transition detector circuit Takashi Akioka, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki, Tatsumi Yamauchi +5 more 1997-10-21
5675548 Semiconductor integrated circuit having logi gates Yuji Yokoyama, Takashi Akioka, Atsushi Hiraishi, Yutaka Kobayashi, Tatsumi Yamauchi +3 more 1997-10-07
5661693 Memory device for synchronously reading and writing data Takashi Akioka, Noboru Akiyama, Seigoh Yukutake 1997-08-26
5657264 Semiconductor memory Tatsumi Yamauchi, Kazutaka Mori 1997-08-12
5654931 High-speed semiconductor memory device and data processing system using the same Akihiro Tamba, Yutaka Kobayashi, Kinya Mitsumoto, Tatsumi Yamauchi, Shuko 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, Kinya Mitsumoto, Takashi Akioka, Noboru Akiyama 1997-07-08
5644548 Dynamic random access memory having bipolar and C-MOS transistor Goro Kitsukawa, Takao Watanabe, Ryoichi Hori, Noriyuki Honma, Kunihiko Yamaguchi +2 more 1997-07-01
5640547 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices Takashi Hotta, Kozaburo Kurita, Hideo Maejima, Shigeya Tanaka, Tadaaki Bandoh +3 more 1997-06-17
5619151 Semiconductor device Takashi Akioka, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki, Tatsumi Yamauchi +5 more 1997-04-08
5600268 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki 1997-02-04
5590361 Microprocessor having an effective BiCMOS extra multiple input complex logic circuit Tatsumi Yamauchi, Shigeya Tanaka, Kazutaka Mori 1996-12-31
5583814 Semiconductor memory device, chain memory device, and data processing apparatus Yutaka Kobayashi, Kei Kato 1996-12-10
5544125 Semiconductor integrated circuit having logic gates Yuji Yokoyama, Takashi Akioka, Atsushi Hiraishi, Yutaka Kobayashi, Tatsumi Yamauchi +3 more 1996-08-06
5542083 Information processor and information processing system utilizing clock signal Takashi Hotta, Kozaburo Kurita, Hideo Maejima, Shigeya Tanaka, Tadaaki Bandoh +3 more 1996-07-30
5539686 Carry propagating device Fumio Murabayashi, Takashi Hotta, Akiyoshi Osumi 1996-07-23
5523713 Multiplex circuit arrangement for use with a semiconductor integrated circuit Seigoh Yukutake, Yutaka Kobayashi, Takashi Akioka 1996-06-04
5512847 BiCMOS tri-state output driver Yukio Suzuki, Ikuro Masuda, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1996-04-30
5506982 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices Takashi Hotta, Kozaburo Kurita, Hideo Maejima, Shigeya Tanaka, Tadaaki Bandoh +3 more 1996-04-09
5502820 Microprocessor having high speed, low noise output buffers Atsushi Hiraishi, Takashi Akioka, Yutaka Kobayashi, Yuji Yokoyama, Tatsumi Yamauchi +3 more 1996-03-26
5495183 Level conversion circuitry for a semiconductor integrated circuit Yukio Suzuki, Ikuro Masuda, Shinji Kadono, Akira Urragami, Masayoshi Yoshimura +1 more 1996-02-27
5457790 Low power consumption semiconductor integrated circuit device and microprocessor Shigeya Tanaka, Hideo Maejima, Tetsuo Nakano 1995-10-10
5412262 Semiconductor integrated circuit device having plurality of supply potential lines connected thereto, and system employing the same Yoji Nishio, Fumio Murabayashi, Kozaburo Kurita 1995-05-02
5398318 High speed, low noise output buffer with non-identical pairs of output transistors Atsushi Hiraishi, Takashi Akioka, Yutaka Kobayashi, Yuji Yokoyama, Tatsumi Yamauchi +3 more 1995-03-14