Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10497431 | Static random-access memory device, redundant circuit thereof, and semiconductor device | — | 2019-12-03 |
| 10082820 | Power control circuit and logic circuit device having the same | — | 2018-09-25 |
| 9653142 | Volatile semicondcutor memory device, refresh control circuit and method thereof | — | 2017-05-16 |
| 8646851 | Vehicle wheel | Yoshinobu Sakashita, Kei Takagi, Yuta Isomura | 2014-02-11 |
| 8491062 | Vehicle wheel | Yoshinobu Sakashita | 2013-07-23 |
| 8454100 | Vehicle wheel disk | Yoshinobu Sakashita | 2013-06-04 |
| 8398178 | Vehicle wheel disk | Yoshinobu Sakashita | 2013-03-19 |
| 7265412 | Semiconductor memory device having memory cells requiring no refresh operation | — | 2007-09-04 |
| 7141835 | Semiconductor memory device having memory cells requiring no refresh operation | — | 2006-11-28 |
| 6775176 | Semiconductor memory device having memory cells requiring no refresh operations | — | 2004-08-10 |
| 6625056 | Semiconductor memory device having memory cells requiring no refresh operations | — | 2003-09-23 |
| 5122987 | Semiconductor memory device with individually addressable space cells capable of driving a data bus | — | 1992-06-16 |
| 5079744 | Test apparatus for static-type semiconductor memory devices | Youichi Tobita | 1992-01-07 |
| 5021685 | Input buffer circuit having a resistor for reducing through-current and a capacitor for preventing delay | — | 1991-06-04 |
| 4805153 | Input buffer circuit of a MOS memory device | — | 1989-02-14 |
| 4787068 | MOS-type memory circuit | — | 1988-11-22 |