Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8213253 | Semiconductor memory | — | 2012-07-03 |
| 7688121 | Power supply voltage detection circuit | Mitsuhiro Ogai | 2010-03-30 |
| 7643325 | Ferroelectric memory and operating method of same | Shingo Hagiwara, Yoshiaki Kaneko, Amane Inoue, Akihito Kumagai | 2010-01-05 |
| 7483287 | Semiconductor memory | Keizo Morita, Shoichiro Kawashima | 2009-01-27 |
| 7436689 | Non-volatile semiconductor memory | — | 2008-10-14 |
| 7227769 | Semiconductor memory | Keizo Morita, Shoichiro Kawashima | 2007-06-05 |
| 7212430 | Semiconductor memory | Shoichiro Kawashima | 2007-05-01 |
| 6836426 | Semiconductor memory device with proper sensing timing | Shoichiro Kawashima | 2004-12-28 |
| 6292418 | Semiconductor memory device | Shoichiro Kawashima | 2001-09-18 |
| 5315556 | Semiconductor memory having improved sense amplifier | — | 1994-05-24 |
| 5168467 | Semiconductor memory device having sense amplifier protection | — | 1992-12-01 |
| 5124950 | Multi-port semiconductor memory | Takashi Ozawa | 1992-06-23 |
| 4958094 | Emitter follower circuit with MOSFET | Yasuhiro Ishii | 1990-09-18 |
| 4893274 | Semiconductor memory device having level converters | — | 1990-01-09 |
| 4890018 | Bipolar-complementary metal oxide semiconductor circuit | Takahisa Muroi | 1989-12-26 |
| 4796233 | Bipolar-transistor type semiconductor memory device having redundancy configuration | Tomoharu Awaya | 1989-01-03 |
| 4757474 | Semiconductor memory device having redundancy circuit portion | Yasuhiko Maki | 1988-07-12 |
| 4745582 | Bipolar-transistor type random access memory device having redundancy configuration | Tomoharu Awaya | 1988-05-17 |
| 4625299 | Bipolar random access memory | Hideaki Isogai | 1986-11-25 |