Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7623397 | Semiconductor device | Noriyuki Itano | 2009-11-24 |
| 7397880 | Synchronization circuit and synchronization method | — | 2008-07-08 |
| 7254068 | Semiconductor memory device | Hiroki Ueno, Takashi Akioka, Akihisa Aoyama, Masao Shinozaki | 2007-08-07 |
| 7196424 | Semiconductor device | Noriyuki Itano | 2007-03-27 |
| 7068551 | Semiconductor memory device | Hiroki Ueno, Takashi Akioka, Akihisa Aoyama, Masao Shinozaki | 2006-06-27 |
| 6909312 | Synchronization circuit and synchronization method | — | 2005-06-21 |
| 6856559 | Semiconductor memory device | Hiroki Ueno, Takashi Akioka, Akihisa Aoyama, Masao Shinozaki | 2005-02-15 |
| 6770941 | Semiconductor device and method of manufacturing a semiconductor device | Masao Shinozaki, Takashi Akioka | 2004-08-03 |
| 6725325 | Semiconductor memory device having a double data rate (DDR) mode and utilizing a plurality of comparison circuits to prevent errors due to a late write function | Masahiko Nishiyama, Takeshi Agari | 2004-04-20 |
| 6625070 | Semiconductor memory device | Hiroki Ueno, Takashi Akioka, Akihisa Aoyama, Masao Shinozaki | 2003-09-23 |
| 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, Takashi Akioka, Takahiro Nagano, Hideo Maejima | 1999-07-06 |
| 5761150 | Synchronous memory with pipelined write operation | Seigoh Yukutake, Takashi Akioka, Masahiro Iwamura, Noboru Akiyama | 1998-06-02 |
| 5734616 | Semiconductor memory device and sense circuit | Hideto Kazama, Shuichi Miyaoka, Akihiko Emori, Tomoyuki Someya, Masahiro Iwamura +1 more | 1998-03-31 |
| 5654931 | High-speed semiconductor memory device and data processing system using the same | Akihiro Tamba, Masahiro Iwamura, Yutaka Kobayashi, 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, Masahiro Iwamura, Takashi Akioka, Noboru Akiyama | 1997-07-08 |
| 5638335 | Semiconductor device | Noboru Akiyama, Seigoh Yukutake, Sadayuki Ohkuma, Akihiko Emori, Takashi Akioka +2 more | 1997-06-10 |
| 5631600 | Reference current generating circuit for generating a constant current | Takashi Akioka, Yutaka Kobayashi | 1997-05-20 |
| 5392246 | Semiconductor memory with multiple sets & redundant cells | Noboru Akiyama, Takashi Akioka, Seigoh Yukutake | 1995-02-21 |
| 5392250 | Semiconductor memory device | Yoshikazu Iida, Hiroki Miyashita, Kazunori Onozawa | 1995-02-21 |
| 5367490 | Semiconductor integrated circuit device with two variable delay lines in writing circuit control | Kazuhiro Akimoto, Masami Usami, Katsumi Ogiue, Hiroshi Murayama, Hitoshi Abe +3 more | 1994-11-22 |
| 5050127 | Memory device with improved common data line bias arrangement | Shinji Nakazato, Yoshiaki Yazawa, Masanori Odaka, Hideaki Uchida, Nobuaki Miyakawa | 1991-09-17 |
| 5014242 | Semiconductor device for a ram disposed on chip so as to minimize distances of signal paths between the logic circuits and memory circuit | Kazuhiro Akimoto, Masami Usami, Katsumi Ogiue, Hiroshi Murayama, Hitoshi Abe +3 more | 1991-05-07 |
| 4829479 | Memory device with improved common data line bias arrangement | Shinji Nakazato, Yoshiaki Yazawa, Masanori Odaka, Hideaki Uchida, Nobuaki Miyakawa | 1989-05-09 |
| 4748487 | Semiconductor memory device | Hideaki Uchida, Yoshiaki Yazawa, Shinji Nakazato, Masanori Odaka | 1988-05-31 |
| 4682200 | Semiconductor memory device with matched equivalent series resistances to the complementary data lines | Hideaki Uchida, Yoshiaki Yazawa, Shinji Nakazato, Masanori Odaka | 1987-07-21 |