Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321287 | Semiconductor device wherein n-channel MOSFET, p-channel MOSFET and nonvolatile memory cell are formed in one chip | Naoki Hanada | 1994-06-14 |
| 5319594 | Semiconductor memory device including nonvolatile memory cells, enhancement type load transistors, and peripheral circuits having enhancement type transistors | Yukio Kawase | 1994-06-07 |
| 5223451 | Semiconductor device wherein n-channel MOSFET, p-channel MOSFET and nonvolatile memory cell are formed in one chip and method of making it | Naoki Hanada | 1993-06-29 |
| 5219775 | Manufacturing method for a floating gate semiconductor memory device by forming cell slits | Yukihiro Saeki, Osamu Matsumoto, Masayuki Yoshida, Takahide Mizutani, Nobuyoshi Chida +3 more | 1993-06-15 |
| 5200636 | Semiconductor device having E.sup.2 PROM and EPROM in one chip | Takahide Mizutani, Naoki Hanada, Tatsuo Mori, Kazuyoshi Shinada | 1993-04-06 |