Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583849 | Apparatus for exposure of photo-curing resin applied to printed circuit board | Hirotaka Ogawa | 2003-06-24 |
| 6165544 | Method of exposure of photo-curing resin applied to printed circuit board | Hirotaka Ogawa | 2000-12-26 |
| 6091666 | Nonvolatile flash memory with fast data programming operation | Kenshiro Arase, Toshinobu Sugiyama | 2000-07-18 |
| 6075723 | Nonvolatile semiconductor memory device and IC memory card using same | Ihachi Naiki, Tooru Adachi | 2000-06-13 |
| 6046939 | Nonvolatile semiconductor memory with fast data programming and erasing function using ECC | Kenshiro Arase, Toshinobu Sugiyama, Ihachi Naiki | 2000-04-04 |
| 6002612 | Nonvolatile semiconductor memory with fast data programming and erasing function using ECC | Kenshiro Arase, Toshinobu Sugiyama, Ihachi Naiki | 1999-12-14 |
| 5920502 | Nonvolatile semiconductor memory with fast data programming and erasing function using ECC | Kenshiro Arase, Toshinobu Sugiyama, Ihachi Naiki | 1999-07-06 |
| 5603851 | Wire cutting electrical discharge machine with wire annealing for threading | Tatsuji Komatsu, Takashi MITSUYASU | 1997-02-18 |
| 5518947 | Method of forming a semiconductor memory device having silicon nitride overlying only in peripheral circuit area | — | 1996-05-21 |
| 5512779 | Semiconductor memory device having silicon nitride overlying only peripheral circuit areas | — | 1996-04-30 |
| 5372961 | Method for manufacturing a semiconductor integrated circuit device | — | 1994-12-13 |
| 5303184 | Non-volatile semiconductor memory having commonly used source or drain regions of floating gate type transistors | — | 1994-04-12 |
| 5260894 | Semiconductor memory device | — | 1993-11-09 |
| 5195054 | Semiconductor memory | — | 1993-03-16 |
| 5068697 | Semiconductor memory which is protected from erasure by light shields | Akihiro Nakamura | 1991-11-26 |