Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251177 | Semiconductor memory device having an improved refresh operation | Hironori Akamatsu, Akinori Shibayama, Junko Matsushima | 1993-10-05 |
HK
Hisakazu Kotani
Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #155,990 of 4,157,543Top 4%
26
Patents All Time