Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123526 | Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used | Koichi Kawai, Hiroshi Nakamura, Kenichi Imamiya | 2006-10-17 |
| 7116603 | Non-volatile semiconductor storage device performing ROM read operation upon power-on | Hiroshi Nakamura | 2006-10-03 |
| 7057947 | SEMICONDUCTOR DEVICE, NONVOLATILE SEMICONDUCTOR MEMORY, SYSTEM INCLUDING A PLURALITY OF SEMICONDUCTOR DEVICES OR NONVOLATILE SEMICONDUCTOR MEMORIES, ELECTRIC CARD INCLUDING SEMICONDUCTOR DEVICE OR NONVOLATILE SEMICONDUCTOR MEMORY, AND ELECTRIC DEVICE WITH WHICH THIS ELECTRIC CARD CAN BE USED | Kenichi Imamiya, Hiroshi Nakamura, Ken Takeuchi, Tamio Ikehashi | 2006-06-06 |
| 7016241 | Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used | Koichi Kawai, Hiroshi Nakamura, Kenichi Imamiya | 2006-03-21 |
| 6901012 | Semiconductor memory device having a power-on reset circuit | Tamio Ikehashi | 2005-05-31 |
| 6870786 | SEMICONDUCTOR DEVICE, NONVOLATILE SEMICONDUCTOR MEMORY, SYSTEM INCLUDING A PLURALITY OF SEMICONDUCTOR DEVICES OR NONVOLATILE SEMICONDUCTOR MEMORIES, ELECTRIC CARD INCLUDING SEMICONDUCTOR DEVICE OR NONVOLATILE SEMICONDUCTOR MEMORY, AND ELECTRIC DEVICE WITH WHICH THIS ELECTRIC CARD CAN BE USED | Koichi Kawai, Hiroshi Nakamura, Kenichi Imamiya | 2005-03-22 |
| 6674318 | Semiconductor integrated circuit | Tamio Ikehashi, Ken Takeuchi, Kenichi Imamiya | 2004-01-06 |
| 6642757 | Semiconductor memory device having a power-on reset circuit | Tamio Ikehashi | 2003-11-04 |
| 6522583 | Nonvolatile semiconductor memory | Hiroshi Nakamura, Koji Hosono, Tamio Ikehashi, Kenichi Imamiya | 2003-02-18 |
| 6469573 | Semiconductor integrated circuit | Tamio Ikehashi, Ken Takeuchi, Kenichi Imamiya | 2002-10-22 |
| 6359494 | Semiconductor integrated circuit device having an oscillation circuit using reference current source independent from influence of variation of power supply voltage and threshold voltage of transistor | Hiroshi Nakamura | 2002-03-19 |
| 6278639 | Booster circuit having booster cell sections connected in parallel, voltage generating circuit and semiconductor memory which use such booster circuit | Koji Hosono, Hiroshi Nakamura, Tamio Ikehashi, Ken Takeuchi, Kenichi Imamiya | 2001-08-21 |
| 6201434 | Semiconductor integrated circuit device having an oscillation circuit using reference current source independent from influence of variation of power supply voltage and threshold voltage of transistor | Hiroshi Nakamura | 2001-03-13 |
| 6144592 | Semiconductor memory device having a redundant memory | — | 2000-11-07 |
| 6097638 | Semiconductor memory device | Toshihiko Himeno, Hiroshi Nakamura | 2000-08-01 |