Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213117 | 1-chip microcomputer having controlled access to a memory and IC card using the 1-chip microcomputer | Masaki Wakabayashi, Ryuichi Ogawa, Susumu Kurioka, Kenji Ohno, Tadao Takeda +2 more | 2007-05-01 |
| 6981179 | Microcomputer having built-in nonvolatile memory and check system thereof and IC card packing microcomputer having built-in nonvolatile memory and check system thereof | Haruhiko Shigemasa, Masaaki Tanno, Nobuhiro Shimoyama, Tadao Takeda | 2005-12-27 |
| 6934884 | One-chip microcomputer and control method thereof as well as an IC card having such a one-chip microcomputer | Masaki Wakabayashi, Masaaki Tanno, Hiroki Suto, Tadao Takeda | 2005-08-23 |
| 6598137 | Microcomputer having built-in nonvolatile memory for simultaneous use as a program area and a data area | Ryuichi Ogawa, Tadao Takeda, Hiroki Suto, Masaaki Tanno | 2003-07-22 |
| 4968899 | Clock signal switching device of an IC Card | Masafumi Katsutani | 1990-11-06 |