Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6208564 | High voltage comparator | Shigekazu Yamada | 2001-03-27 |
| 6163478 | Common flash interface implementation for a simultaneous operation flash memory device | Fan Wan Lai | 2000-12-19 |
| 6125055 | Sector write protect CAMS for a simultaneous operation flash memory | Guowei Wang | 2000-09-26 |
| 6100754 | V.sub.T reference voltage for extremely low power supply | Yong-Kyu Kim | 2000-08-08 |
| 6033955 | Method of making flexibly partitioned metal line segments for a simultaneous operation flash memory device with a flexible bank partition architecture | Tiao-Hua Kuo, Nancy Leong, Johnny C. Chen, Michael Van Buskirk | 2000-03-07 |
| 6005803 | Memory address decoding circuit for a simultaneous operation flash memory device with a flexible bank partition architecture | Tiao-Hua Kuo, Nancy Leong, Johnny C. Chen, Michael A. Van Buskirk | 1999-12-21 |
| 5995415 | Simultaneous operation flash memory device with a flexible bank partition architecture | Tiao-Hua Kuo, Nancy Leong, Johnny C. Chen, Michael A. Van Buskirk | 1999-11-30 |
| 5815440 | Semiconductor memory device with electrically controllable threshold voltage | Takao Akaogi, Nobuaki Takashina, Kiyoshi Itano, Hiromi Kawashima, Minoru Yamashita +1 more | 1998-09-29 |
| 5770963 | Flash memory with improved erasability and its circuitry | Takao Akaogi, Hiromi Kawashima, Tetsuji Takeguchi, Ryoji Hagiwara, Kiyoshi Itano +2 more | 1998-06-23 |
| 5666314 | Semiconductor memory device for selecting and deselecting blocks of word lines | Takao Akaogi, Nobuaki Takashina, Kiyoshi Itano, Hiromi Kawashima, Minoru Yamashita | 1997-09-09 |
| 5640123 | Substrate voltage control circuit for a flash memory | Takao Akaogi | 1997-06-17 |
| 5631597 | Negative voltage circuit for a flash memory | Takao Akaogi, Hiromi Kawashima, Tetsuji Takeguchi, Ryoji Hagiwara, Kiyoshi Itano +2 more | 1997-05-20 |
| 5608670 | Flash memory with improved erasability and its circuitry | Takao Akaogi, Hiromi Kawashima, Tetsuji Takeguchi, Ryoji Hagiwara, Kiyoshi Itano +2 more | 1997-03-04 |
| 5592419 | Flash memory with improved erasability and its circuitry | Takao Akaogi, Hiromi Kawashima, Tetsuji Takeguchi, Ryoji Hagiwara, Kiyoshi Itano +2 more | 1997-01-07 |
| 5592427 | Semiconductor memory having a sense amplifier with load transistors having different load characteristics | Sinsuke Kumakura, Hirokazu Yamazaki, Hisayoshi Watanabe | 1997-01-07 |
| 5590074 | Nonvolatile semiconductor memory | Takao Akaogi, Masanobu Yoshida, Yasushige Ogawa, Shouichi Kawamura | 1996-12-31 |
| 5581107 | Nonvolatile semiconductor memory that eases the dielectric strength requirements | Shouichi Kawamura, Nobuaki Takashina, Kiyoshi Itano | 1996-12-03 |
| 5576637 | XOR CMOS logic gate | Takao Akaogi, Hiromi Kawashima, Tetsuji Takeguchi, Ryoji Hagiwara, Kiyoshi Itano +2 more | 1996-11-19 |
| 5572463 | Nonvolatile semiconductor memory with pre-read means | Takao Akaogi, Masanobu Yoshida, Yasushige Ogawa, Shouichi Kawamura | 1996-11-05 |
| 5566386 | Nonvolatile semiconductor memory device having a status register and test method for the same | Sinsuke Kumakura, Hirokazu Yamazaki, Hisayoshi Watanabe | 1996-10-15 |
| 5537356 | Nonvolatile semiconductor memory | Takao Akaogi, Masanobu Yoshida, Yasushige Oqawa, Shouichi Kawamura | 1996-07-16 |
| 5490107 | Nonvolatile semiconductor memory | Takao Akaogi, Masanobu Yoshida, Yasushige Ogawa, Shouichi Kawamura | 1996-02-06 |
| 5487036 | Nonvolatile semiconductor memory | Takao Akaogi, Masanobu Yoshida, Yasushige Ogawa, Shouichi Kawamura | 1996-01-23 |
| 5469394 | Nonvolatile semiconductor memory device having a status register and test method for the same | Sinsuke Kumakura, Hirokazu Yamazaki, Hisayoshi Watanabe | 1995-11-21 |
| 5452251 | Semiconductor memory device for selecting and deselecting blocks of word lines | Takao Akaogi, Nobuaki Takashina, Kiyoshi Itano, Hiromi Kawashima, Minoru Yamashita | 1995-09-19 |