Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364911 | Vehicle control apparatus | Yusuke Sasaki, Ryo Shimizu, Tatsuya Tawaki | 2022-06-21 |
| 10067005 | Apparatus for estimating temperatures of vehicle | Toshiyuki Miyata | 2018-09-04 |
| 9340201 | Engine operation control device for hybrid vehicle | Katsunori Ueda, Shigetoshi Hirano | 2016-05-17 |
| 9061683 | Traveling mode switching controller of hybrid electric vehicle | Katsunori Ueda, Shigetoshi Hirano | 2015-06-23 |
| 7295456 | Chain ferroelectric random access memory (CFRAM) having an intrinsic transistor connected in parallel with a ferroelectric capacitor | Ryu Ogiwara, Daisaburo Takashima, Yukihito Oowaki, Yoshiaki Takeuchi | 2007-11-13 |
| 7057917 | Ferroelectric memory with an intrinsic access transistor coupled to a capacitor | Ryu Ogiwara, Daisaburo Takashima, Yukihito Oowaki, Yoshiaki Takeuchi | 2006-06-06 |
| 6671200 | Ferroelectric random access memory with isolation transistors coupled between a sense amplifier and an equalization circuit | Ryu Ogiwara, Daisaburo Takashima, Yukihito Oowaki, Yoshiaki Takeuchi | 2003-12-30 |
| 6552922 | Chain-type ferroelectric random access memory (FRAM) with rewrite transistors coupled between a sense amplifier and a bit line pair | Ryu Ogiwara, Daisaburo Takashima, Yukihito Oowaki, Yoshiaki Takeuchi | 2003-04-22 |
| 6529414 | Nonvolatile semiconductor memory device including a circuit for providing a boosted potential | Shigeru Atsumi | 2003-03-04 |
| 6473330 | Chain type ferroelectric memory with isolation transistors coupled between a sense amplifier and an equalization circuit | Ryu Ogiwara, Daisaburo Takashima, Yukihito Oowaki, Yoshiaki Takeuchi | 2002-10-29 |
| 6324100 | Nonvolatile semiconductor memory device | Shigeru Atsumi | 2001-11-27 |
| 6288961 | Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof | Ryu Ogiwara | 2001-09-11 |
| 6191971 | Ferroelectric memory device | Daisaburo Takashima | 2001-02-20 |
| 6166987 | Nonvolatile semiconductor memory device having row decoder | Shigeru Atsumi | 2000-12-26 |
| 6151252 | Nonvolatile semiconductor memory device | Shigeru Atsumi | 2000-11-21 |
| 6111777 | Ferroelectric memory | Ryu Ogiwara | 2000-08-29 |
| 6097622 | Ferroelectric memory used for the RFID system, method for driving the same, semiconductor chip and ID card | Mitsuru Shimizu, Hiroyuki Takenaka | 2000-08-01 |
| 6088267 | Nonvolatile semiconductor memory device having row decoder | Shigeru Atsumi | 2000-07-11 |
| 6061289 | Variable potential generating circuit using current-scaling adding type D/A converter circuit in semiconductor memory device | Yasuo Itoh | 2000-05-09 |
| 6046926 | Ferroelectric memory and screening method therefor | Hiroyuki Takenaka, Mitsuru Shimizu | 2000-04-04 |
| 6041014 | Nonvolatile semiconductor memory device having row decoder | Shigeru Atsumi | 2000-03-21 |
| 6023438 | Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof | Ryu Ogiwara | 2000-02-08 |
| 6011723 | Nonvolatile semiconductor memory device including a circuit for providing a boosted potential | Shigeru Atsumi | 2000-01-04 |
| 6002354 | Variable potential generating circuit using current-scaling adding type D/A converter circuit | Yasuo Itoh | 1999-12-14 |
| 5943256 | Nonvolatile ferroelectric memory | Mitsuru Shimizu | 1999-08-24 |