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 1–25 of 38 patents

Patent #TitleCo-InventorsDate
7982314 Semiconductor integrated circuit device Masao Shinozaki, Kenji Nishimoto, Yutaka Kohara, Sanae Asari, Shusaku Miyata +1 more 2011-07-19
7928952 Image display device Hajime Akimoto, Mitsuru Hiraki, Hitoshi Nakahara, Yoshiyuki Kaneko, Makoto Tsumura +1 more 2011-04-19
7808107 Semiconductor integrated circuit device Masao Shinozaki, Kenji Nishimoto, Yutaka Kohara, Sanae Asari, Shusaku Miyata +1 more 2010-10-05
7547971 Semiconductor integrated circuit device Masao Shinozaki, Kenji Nishimoto, Yutaka Kohara, Sanae Asari, Shusaku Miyata +1 more 2009-06-16
7423623 Image display device Hajime Akimoto, Mitsuru Hiraki, Hitoshi Nakahara, Yoshiyuki Kaneko, Makoto Tsumura +1 more 2008-09-09
7254068 Semiconductor memory device Hiroki Ueno, Kinya Mitsumoto, Akihisa Aoyama, Masao Shinozaki 2007-08-07
7068551 Semiconductor memory device Hiroki Ueno, Kinya Mitsumoto, Akihisa Aoyama, Masao Shinozaki 2006-06-27
6963136 Semiconductor integrated circuit device Masao Shinozaki, Kenji Nishimoto, Yutaka Kohara, Sanae Asari, Shusaku Miyata +1 more 2005-11-08
6856559 Semiconductor memory device Hiroki Ueno, Kinya Mitsumoto, Akihisa Aoyama, Masao Shinozaki 2005-02-15
6770941 Semiconductor device and method of manufacturing a semiconductor device Masao Shinozaki, Kinya Mitsumoto 2004-08-03
6625070 Semiconductor memory device Hiroki Ueno, Kinya Mitsumoto, Akihisa Aoyama, Masao Shinozaki 2003-09-23
6538933 High speed semiconductor memory device with short word line switching time Masao Shinozaki 2003-03-25
6366507 High speed semiconductor memory device with short word line switching time Masao Shinozaki 2002-04-02
6329973 Image display device Hajime Akimoto, Mitsuru Hiraki, Hitoshi Nakahara, Yoshiyuki Kaneko, Makoto Tsumura +1 more 2001-12-11
6032229 Semiconductor memory device and information processor using the same Takashi Hotta, Hideo Sawamoto, Noboru Akiyama, Shigeya Tanaka 2000-02-29
5920510 Semiconductor device capable of holding signals independent of the pulse width of an external clock and a computer system including the semiconductor device Seigou Yukutake, Kinya Mitsumoto, Takahiro Nagano, Hideo Maejima 1999-07-06
5787043 Semiconductor memory device having a redundancy capability Yuji Yokoyama, Atsushi Hiraishi, Masahiro Iwamura, Yutaka Kobayashi, Tatsumi Yamauchi +2 more 1998-07-28
5761150 Synchronous memory with pipelined write operation Seigoh Yukutake, Kinya Mitsumoto, Masahiro Iwamura, Noboru Akiyama 1998-06-02
5742551 Memory circuit improved in electrical characteristics Seigoh Yukutake, Yutaka Kobayashi, Masahiro Iwamura 1998-04-21
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