Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432915 | Semiconductor device having a memory element with a source region and drain region and having multiple assistance elements | Hiroshige Hirano, Hiroaki Kuriyama | 2025-09-30 |
| 7615814 | Ferroelectric device having a contact for taking the potential of a metal film and a plurality of capacitors positioned periodically | Toyoji Ito | 2009-11-10 |
| 7203108 | Reliability test method for a ferroelectric memory device | — | 2007-04-10 |
| 7157348 | Method for fabricating capacitor device | Takumi Mikawa, Yuji Judai | 2007-01-02 |
| 7111210 | Accelerated test method for ferroelectric memory device | Katsuki Nagahashi | 2006-09-19 |
| 6620738 | Etchant and method for fabricating a semiconductor device using the same | Hidetoshi Ishida, Daisuke Ueda | 2003-09-16 |
| 6498094 | Method for providing a contact hole formed in an insulating film | Keisaku Nakao, Yoichi Sasai, Yuji Judai | 2002-12-24 |
| 6365513 | Method of making a semiconductor device including testing before thinning the semiconductor substrate | Hidetoshi Furukawa, Tsuyoshi Tanaka, Hidetoshi Ishida, Daisuke Ueda | 2002-04-02 |
| 5818079 | Semiconductor integrated circuit device having a ceramic thin film capacitor | Daisuke Ueda | 1998-10-06 |