Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8236679 | Manufacturing method of semiconductor memory device using insulating film as charge storage layer | Mitsuhiro Noguchi | 2012-08-07 |
| 8212303 | Nonvolatile semiconductor memory device | — | 2012-07-03 |
| 8138719 | Battery state monitoring circuit and battery device | Kazuaki Sano, Toshiyuki Koike, Muneharu Kawana | 2012-03-20 |
| 8030700 | Semiconductor memory device | — | 2011-10-04 |
| 6884364 | Lead-free piezoelectric ceramic composition wherin Cu is contained in (KxA1-x)y(Nb1-zBz)O3perovskite compound, and process of preparing the same | Fuyutoshi Sato, Shin Hirano, Masato Matsubara, Toshinobu Yogo, Koichi Kikuta | 2005-04-26 |
| 6445632 | Semiconductor memory device for fast access | — | 2002-09-03 |
| 6320805 | Semiconductor device with external pins | Shigeru Yamaoka | 2001-11-20 |
| 6317369 | Semiconductor device allowing higher speed data transmission to and from external unit | Takashi Kubo | 2001-11-13 |
| 6292040 | Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signal | Hisashi Iwamoto, Naoya Watanabe | 2001-09-18 |
| 6212126 | Semiconductor device including clock generation circuit capable of generating internal clock stably | — | 2001-04-03 |
| 6184738 | Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potential | Hisashi Iwamoto, Aiko Nishino | 2001-02-06 |
| 6120750 | Method of producing lead-containing complex oxides | Shinichi Hirano, Yusuke Hirabayashi, Toshinobu Yogo | 2000-09-19 |
| 5940344 | Synchronous semiconductor memory device including internal clock signal generation circuit that generates an internal clock signal synchronizing in phase with external clock signal at high precision | Yasumitsu Murai, Hisashi Iwamoto | 1999-08-17 |
| 5940328 | Synchronous semiconductor device with memory chips in a module for controlling output of strobe signal for trigger in reading data | Hisashi Iwamoto | 1999-08-17 |
| 5374923 | Power-on detecting circuit | — | 1994-12-20 |
| 5276651 | Voltage generating device generating a voltage at a constant level and operating method thereof | — | 1994-01-04 |