TA

Takashi Akioka

HI Hitachi: 29 patents #976 of 28,497Top 4%
HC Hitachi Ulsi Systems Co.: 8 patents #82 of 867Top 10%
RT Renesas Technology: 6 patents #492 of 3,337Top 15%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
Overall (All Time): #87,080 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
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
5563502 Constant voltage generation circuit Yutaka Kobayashi 1996-10-08
5544125 Semiconductor integrated circuit having logic gates Yuji Yokoyama, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi, Tatsumi Yamauchi +3 more 1996-08-06
5523713 Multiplex circuit arrangement for use with a semiconductor integrated circuit Seigoh Yukutake, Yutaka Kobayashi, Masahiro Iwamura 1996-06-04
5502820 Microprocessor having high speed, low noise output buffers Atsushi Hiraishi, Yutaka Kobayashi, Yuji Yokoyama, Masahiro Iwamura, Tatsumi Yamauchi +3 more 1996-03-26
5398318 High speed, low noise output buffer with non-identical pairs of output transistors Atsushi Hiraishi, Yutaka Kobayashi, Yuji Yokoyama, Masahiro Iwamura, Tatsumi Yamauchi +3 more 1995-03-14
5392246 Semiconductor memory with multiple sets & redundant cells Noboru Akiyama, Kinya Mitsumoto, Seigoh Yukutake 1995-02-21
5387827 Semiconductor integrated circuit having logic gates Yuji Yokoyama, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi, Tatsumi Yamauchi +3 more 1995-02-07
5373469 Differential amplifier with a latching function and a memory apparatus employing same Noboru Akiyama, Yutaka Kobayashi, Tatsuyuki Ohta, Koyo Katsura 1994-12-13
5247198 Semiconductor integrated circuit device with multiplayered wiring Hideo Homma, Ryuichi Saito, Yutaka Kobayashi 1993-09-21
5091883 Semiconductor memory and microprocessor Nozomu Matsuzaki, Masahiro Iwamura, Atushi Hiraishi, Tatsumi Yamauchi, Yuji Yokoyama +2 more 1992-02-25
4948994 Semiconductor circuit for driving the base of a bipolar transistor Atsuo Watanabe, Takahiro Nagano 1990-08-14