Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41879 | Semiconductor memory device | Shunichi Iwanari, Masahiko Sakagami, Hiroshige Hirano, Takashi Miki, Yasushi Gohou +2 more | 2010-10-26 |
| 7307866 | Ferroelectric memory and method for reading data from the ferroelectric memory | Kunisato Yamaoka, Hiroshige Hirano, Yasushi Gohou, Shunichi Iwanari, Yasuo Murakuki +2 more | 2007-12-11 |
| 7280406 | Semiconductor memory device | Shunichi Iwanari, Masahiko Sakagami, Hiroshige Hirano, Takashi Miki, Yasushi Gohou +2 more | 2007-10-09 |
| 7184344 | Semiconductor device comprising a differential sense amplifier, a write column selection switch and a read column selection switch | Hiroshige Hirano | 2007-02-27 |
| 7136313 | Semiconductor storage device | Yasuo Murakuki, Hiroshige Hirano, Yasushi Gohou, Masahiko Sakagami, Kunisato Yamaoka +2 more | 2006-11-14 |
| 7106631 | Semiconductor device | Hiroshige Hirano | 2006-09-12 |
| 6888759 | Semiconductor device comprising a differential sense amplifier, a write column selection switch and a read column selection switch | Hiroshige Hirano | 2005-05-03 |
| 6067265 | Reference potential generator and a semiconductor memory device having the same | Toshio Mukunoki, Hiroshige Hirano, George Nakane, Tatsumi Sumi, Nobuyuki Moriwaki | 2000-05-23 |
| 5953277 | Reference potential generator and a semiconductor memory device having the same | Toshio Mukunoki, Hiroshige Hirano, George Nakane, Tatsumi Sumi, Nobuyuki Moriwaki | 1999-09-14 |
| 5828615 | Reference potential generator and a semiconductor memory device having the same | Toshio Mukunoki, Hiroshige Hirano, George Nakane, Tatsumi Sumi, Nobuyuki Moriwaki | 1998-10-27 |
| 5751650 | Electric signal supply circuit and semiconductor memory device | Hiroshige Hirano | 1998-05-12 |
| 5751628 | Ferroelectric memory devices and method for testing them | Hiroshige Hirano, Nobuyuki Moriwaki, Toshiyuki Honda, George Nakane | 1998-05-12 |
| 5546342 | Semiconductor memory device including reverse and rewrite means | George Nakane, Toshio Mukunoki, Nobuyuki Moriwaki, Tatsumi Sumi, Hiroshige Hirano | 1996-08-13 |
| 5523974 | Semiconductor memory device with redundant memory cell backup | Hiroshige Hirano, George Nakane, Nobuyuki Moriwaki, Toshio Mukunoki, Tatsumi Sumi | 1996-06-04 |
| 5515312 | Semiconductor memory device | Tatsumi Sumi, Hiroshige Hirano, George Nakane, Nobuyuki Moriwaki, Toshio Mukunoki | 1996-05-07 |