Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8707130 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2014-04-22 |
| 7890058 | Game machine and information communication system using data carrier | — | 2011-02-15 |
| 7805660 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2010-09-28 |
| 7759195 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2010-07-20 |
| 7683423 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2010-03-23 |
| 7577880 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2009-08-18 |
| 7452774 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2008-11-18 |
| 7444563 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2008-10-28 |
| 7439573 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2008-10-21 |
| 7312496 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2007-12-25 |
| 7159158 | System and method for reading data stored in a semiconductor device having multilevel memory cells | — | 2007-01-02 |
| 7149940 | Device and method for reading data stored in a semiconductor device having multilevel memory cells | — | 2006-12-12 |
| 7139895 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2006-11-21 |
| 6913973 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2005-07-05 |
| 6895543 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2005-05-17 |
| 6857099 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2005-02-15 |
| 6853581 | Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program | — | 2005-02-08 |
| 6787844 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same | — | 2004-09-07 |
| 6656781 | METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE, HAVING FIRST AND SECOND SEMICONDUCTOR REGIONS WITH FIELD SHIELD ISOLATION STRUCTURES AND A FIELD OXIDE FILM COVERING A JUNCTION BETWEEN SEMICONDUCTOR REGIONS | Atsushi Kawasaki, Kohei Eguchi, Fumitaka Sugaya | 2003-12-02 |
| 6525370 | Semiconductor device including transistor with composite gate structure and transistor with single gate structure and method for manufacturing the same | — | 2003-02-25 |
| 6486013 | Method of manufacturing a semiconductor device having regions of different conductivity types isolated by field oxide | Atsushi Kawasaki, Kohei Eguchi, Fumitaka Sugaya | 2002-11-26 |
| 6482692 | METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE, HAVING FIRST AND SECOND SEMICONDUCTOR REGIONS WITH FIELD SHIELD ISOLATION STRUCTURES AND A FIELD OXIDE FILM COVERING A JUNCTION BETWEEN SEMICONDUCTOR REGIONS | Atsushi Kawasaki, Kohei Eguchi, Fumitaka Sugaya | 2002-11-19 |
| 6339548 | Data reading method in semiconductor storage device capable of storing three- or multi-valued data in one memory cell | — | 2002-01-15 |
| 6260172 | Semiconductor device with logic rewriting and security protection function | — | 2001-07-10 |
| 6234902 | Data carrier, game machine using data carrier, information communication method, information communication, automated travelling control system and storing medium | — | 2001-05-22 |