Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619966 | Card-shaped electronic apparatus | Atsushi Shinozaki | 2003-09-16 |
| 5590088 | Semiconductor memory device with enable signal conversion circuit operative for reducing current consumption | — | 1996-12-31 |
| 5490117 | IC card with dual level power supply interface and method for operating the IC card | Zenzo Oda | 1996-02-06 |
| 5345574 | Memory card having controller providing adjustable refresh to a plurality of DRAMs | Fujikazu Sugimoto, Ichiro Kobayashi | 1994-09-06 |
| 5267211 | Memory card with control and voltage boosting circuits and electronic appliance using the same | Ichiro Kobayashi, Atsushi Yamada | 1993-11-30 |