Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8503259 | Memory test method and memory test device | Shinkichi Gama, Hideyuki Negi, Takeshi Nagase, Chikahiro Deguchi, Yutaka Sekino | 2013-08-06 |
| 8143901 | Test apparatus, test method, and integrated circuit | Chikahiro Deguchi, Yutaka Sekino, Shinkichi Gama, Takeshi Nagase, Hideyuki Negi | 2012-03-27 |
| 7689836 | Encryption device | Takeshi Nagase, Shinkichi Gama | 2010-03-30 |
| 7257666 | Method of writing, erasing, and controlling memory for memory device | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 2007-08-14 |
| 7076667 | Storage device having secure test process | Shinkichi Gama | 2006-07-11 |
| 6766409 | Method of writing, erasing, and controlling memory for memory device | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 2004-07-20 |
| 6625712 | Memory management table producing method and memory device | Takeshi Nagase | 2003-09-23 |
| 6584579 | Method of writing, erasing, and controlling memory for memory device | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 2003-06-24 |
| 6161163 | Method of writing, erasing, and controlling memory for memory device | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 2000-12-12 |
| 6125424 | Method of writing, erasing, and controlling memory and memory device having erasing and moving components | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 2000-09-26 |
| 6118312 | Clock switch circuit | — | 2000-09-12 |
| 5983312 | Simultaneously writing to and erasing two commonly numbered sectors | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 1999-11-09 |
| 5809257 | Bus control apparatus for data transfer system | — | 1998-09-15 |
| 5802551 | Method and apparatus for controlling the writing and erasing of information in a memory device | Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Hiroyuki Itoh, Masaru Takehara | 1998-09-01 |