Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835416 | Flash-erasable semiconductor memory device having an improved reliability | Takao Akaogi, Yasushige Ogawa, Tatsuya Kajita, Hisayoshi Watanabe | 1998-11-10 |
| 5815440 | Semiconductor memory device with electrically controllable threshold voltage | Takao Akaogi, Nobuaki Takashina, Yasushi Kasa, Kiyoshi Itano, Hiromi Kawashima +1 more | 1998-09-29 |
| 5761127 | Flash-erasable semiconductor memory device having an improved reliability | Takao Akaogi, Yasushige Ogawa, Tatsuya Kajita, Hisayoshi Watanabe | 1998-06-02 |
| 5666314 | Semiconductor memory device for selecting and deselecting blocks of word lines | Takao Akaogi, Nobuaki Takashina, Yasushi Kasa, Kiyoshi Itano, Hiromi Kawashima | 1997-09-09 |
| 5452251 | Semiconductor memory device for selecting and deselecting blocks of word lines | Takao Akaogi, Nobuaki Takashina, Yasushi Kasa, Kiyoshi Itano, Hiromi Kawashima | 1995-09-19 |
| 5295653 | Vibration insulator having bracket | Takeshi Miyazaki, Tetsuya Takamori, Yutaka Ogasawara, Takaharu Shibuya | 1994-03-22 |