Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667904 | Multi-level non-volatile semiconductor memory device with verify voltages having a smart temperature coefficient | Tomoharu Tanaka | 2003-12-23 |
| 6657896 | Fail number detecting circuit of flash memory | Koji Hosono, Tamio Ikehashi, Tomoharu Tanaka, Kenichi Imamiya, Hiroshi Nakamura | 2003-12-02 |
| 6646930 | Non-volatile semiconductor memory | Tamio Ikehashi, Toshihiko Himeno | 2003-11-11 |
| 6643180 | Semiconductor memory device with test mode | Tamio Ikehashi, Toshihiko Himeno | 2003-11-04 |
| 6611447 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Hideko Oodaira, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2003-08-26 |
| 6590444 | Semiconductor integrated circuit with a down converter for generating an internal voltage | Tamio Ikehashi, Yoshihisa Sugiura, Kenichi Imamiya, Yoshihisa Iwata | 2003-07-08 |
| 6549464 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2003-04-15 |
| 6545909 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 2003-04-08 |
| 6512253 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2003-01-28 |
| 6507518 | Fail number detecting circuit of flash memory | Koji Hosono, Tamio Ikehashi, Tomoharu Tanaka, Kenichi Imamiya, Hiroshi Nakamura | 2003-01-14 |