Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522569 | Semiconductor memory device | Yukihito Oowaki | 2003-02-18 |
| 6522589 | Semiconductor apparatus and mode setting method for semiconductor apparatus | Yukihito Oowaki, Daisaburo Takashima | 2003-02-18 |
| 6088281 | Semiconductor memory device | Nobuaki Otsuka, Naoto Tomita | 2000-07-11 |
| 5981971 | Semiconductor ROM wafer test structure, and IC card | — | 1999-11-09 |
| 5920508 | Semiconductor memory device | Hidetoshi Saito | 1999-07-06 |
| 5917750 | Nonvolatile semiconductor memory with a protect circuit | Nobuaki Ohtsuka | 1999-06-29 |
| 5811555 | Method for substitution of an amino group of a primary amine by a chlorine atom and a synthetic method by application thereof | Takashi Wakasugi, Takayuki Tanonaka | 1998-09-22 |
| 5805510 | Data erase mechanism for nonvolatile memory of boot block type | Hidetoshi Saito, Masao Kuriyama, Tadayuki Taura | 1998-09-08 |
| 5787034 | Nonvolatile semiconductor memory having a stress relaxing voltage applied to erase gate during data write | Sachiko Omino, Masamichi Asano | 1998-07-28 |
| 5636160 | Nonvolatile semiconductor memory having a stress relaxing voltage applied to erase gate during data write | Sachiko Omino, Masamichi Asano | 1997-06-03 |
| 5566113 | Semiconductor memory circuit having verify mode | Hidetoshi Saito | 1996-10-15 |
| 5553026 | Non-volatile semiconductor memory device | Hiroto Nakai, Shigeru Matsuda | 1996-09-03 |
| 5495050 | Depolymerization of chloroaldehyde cyclic trimers | Takashi Wakasugi, Fukuichi Suzuki | 1996-02-27 |
| 5426240 | Process for the co-production of dichloroacetaldehyde hydrate and chloral | Takashi Wakasugi, Fukuichi Suzuki | 1995-06-20 |
| 5416226 | Process for the manufacture of trimers of aliphatic aldehyde with chlorinated 2-position | Takashi Wakasugi, Naka Tonouchi, Fukuichi Suzuki, Takashi Yamauchi | 1995-05-16 |
| 5414139 | Process for the manufacture of monochloroacetaldehyde trimer and chloral | Takashi Wakasugi, Fukuichi Suzuki | 1995-05-09 |
| 5384742 | Non-volatile semiconductor memory | Masamichi Asano | 1995-01-24 |
| 5309256 | Method of and apparatus for processing image and correction chart employed in the apparatus | Yoko Takada | 1994-05-03 |
| 5274131 | 2-chloropropionaldehyde trimer and production process thereof | Takashi Wakasugi, Naka Tonouchi, Takashi Yamauchi, Makoto Ishizuka | 1993-12-28 |
| 5231518 | Image processing apparatus for preparing printing plates having lengthwise or crosswise patterns | Shinji Itoh, Takashi Hoshino | 1993-07-27 |
| 5223954 | System for producing a halftone film or a printing plate | Shinji Ito | 1993-06-29 |
| 5210048 | Nonvolatile semiconductor memory device with offset transistor and method for manufacturing the same | Atsushi Shoji, Masamichi Asano, Tadayuki Taura, Michiharu Inami | 1993-05-11 |
| 5202934 | Method of and apparatus for reading image | Shinji Itoh, Yukihisa Ozaki | 1993-04-13 |
| 5153684 | Nonvolatile semiconductor memory device with offset transistor | Atsushi Shoji, Masamichi Asano, Tadayuki Taura, Michiharu Inami | 1992-10-06 |
| 5130824 | System for and method of reading image information | Shinji Itoh, Yukihisa Ozaki | 1992-07-14 |