Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528547 | Electrically erasable programmable read-only memory with electric field decreasing controller | Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Yoshihisa Iwata | 1996-06-18 |
| 5523980 | Semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Tomoharu Tanaka, Fujio Masuoka, Kazunori Ohuchi +1 more | 1996-06-04 |
| 5517457 | Semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Tomoharu Tanaka, Fujio Masuoka, Takehiro Hasegawa | 1996-05-14 |
| 5508957 | Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through | Fujio Masuoka, Yasuo Itoh, Hiroshi Iwahashi, Yoshihisa Iwata, Masahiko Chiba +6 more | 1996-04-16 |
| 5453955 | Non-volatile semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Riichiro Shirota, Fujio Masuoka | 1995-09-26 |
| 5440509 | Electrically erasable programmable read-only memory with NAND cell structure and intermediate level voltages initially applied to bit lines | Koichi Toita, Yasuo Itoh, Yoshihisa Iwata, Fujio Masuoka, Masahiko Chiba +3 more | 1995-08-08 |
| 5402373 | Electrically erasable programmable read-only memory with electric field decreasing controller | Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Yoshihisa Iwata | 1995-03-28 |
| 5400279 | Nonvolatile semiconductor memory device with NAND cell structure | Yasuo Itoh, Yoshihisa Iwata, Fujio Masuoka, Masahiko Chiba | 1995-03-21 |
| 5397723 | Process for forming arrayed field effect transistors highly integrated on substrate | Riichiro Shirota, Ryozo Nakayama, Seiichi Aritome, Ryouhei Kirisawa, Tetsuro Endoh +1 more | 1995-03-14 |
| 5379256 | Electrically erasable programmable read-only memory with write/verify controller | Tomoharu Tanaka, Yoshiyuki Tanaka, Kazunori Ohuchi, Yoshihisa Iwata, Koji Sakui +2 more | 1995-01-03 |
| 5361227 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1994-11-01 |
| 5327395 | Page-mode type memory writing control circuit using end-of-page address | Yoshihisa Sugiura, Yoshihisa Iwata, Yasuo Itoh, Tomoharu Tanaka, Yoshiyuki Tanaka | 1994-07-05 |
| 5293337 | Electrically erasable programmable read-only memory with electric field decreasing controller | Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Yoshihisa Iwata | 1994-03-08 |
| 5280454 | Electrically erasable programmable read-only memory with block-erase function | Tomoharu Tanaka, Yoshihisa Iwata, Koji Sakui | 1994-01-18 |
| 5278794 | NAND-cell type electrically erasable and programmable read-only memory with redundancy circuit | Yoshiyuki Tanaka, Yasuo Itoh, Yoshihisa Iwata, Tomoharu Tanaka | 1994-01-11 |
| 5268867 | Semiconductor memory device | Yasuo Itoh, Yoshihisa Iwata, Tomoharu Tanaka, Yoshiyuki Tanaka | 1993-12-07 |
| 5253206 | Electrically erasable programmable read-only memory with threshold value measurement circuit | Yoshiyuki Tanaka, Fujio Masuoka | 1993-10-12 |
| 5247480 | Electrically erasable progammable read-only memory with nand cell blocks | Yasuo Itoh, Yoshihisa Iwata, Tomoharu Tanaka, Fujio Masuoka | 1993-09-21 |
| 5179427 | Non-volatile semiconductor memory device with voltage stabilizing electrode | Ryozo Nakayama, Riichiro Shirota, Yasuo Itoh, Ryouhei Kirisawa, Hideko Odaira +5 more | 1993-01-12 |
| 5088060 | Electrically erasable programmable read-only memory with NAND memory cell structure | Tetsuo Endoh, Riichiro Shirota, Tomoharu Tanaka, Fujio Masuoka, Shigeyoshi Watanabe | 1992-02-11 |
| 5075890 | Electrically erasable programmable read-only memory with NAND cell | Yasuo Itoh, Yoshihisa Iwata, Tomoharu Tanaka, Fujio Masuoka | 1991-12-24 |
| 5050125 | Electrically erasable programmable read-only memory with NAND cellstructure | Koichi Toita, Yasuo Itoh, Yoshihisa Iwata, Fujio Masuoka, Masahiko Chiba +3 more | 1991-09-17 |
| 5043942 | Nand cell type programmable read-only memory with common control gate driver circuit | Yoshihisa Iwata, Yasuo Itoh, Tomoharu Tanaka, Hideko Odaira | 1991-08-27 |
| 4996669 | Electrically erasable programmable read-only memory with NAND memory cell structure | Tetsuo Endoh, Riichiro Shirota, Tomoharu Tanaka, Fujio Masuoka, Shigeyoshi Watanabe | 1991-02-26 |
| 4959812 | Electrically erasable programmable read-only memory with NAND cell structure | Fujio Masuoka, Riichiro Shirota, Yasuo Itoh, Kazunori Ohuchi, Ryouhei Kirisawa | 1990-09-25 |