Inventor

YAEGAWA KAZUHIRO

JP5 patents

⚠️ This page may combine multiple inventors who share the name “YAEGAWA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

3 patents

US6981179B1Dec 27, 2005

Microcomputer having built-in nonvolatile memory and check system thereof and IC card packing microcomputer having built-in nonvolatile memory and check system thereof

NIPPON TELEGRAPH & TELEPHONE20 citations89

US7213117B2May 1, 2007

1-chip microcomputer having controlled access to a memory and IC card using the 1-chip microcomputer

NIPPON TELEGRAPH & TELEPHONE21 citations88

US6934884B1Aug 23, 2005

One-chip microcomputer and control method thereof as well as an IC card having such a one-chip microcomputer

NIPPON TELEGRAPH & TELEPHONE16 citations82

SHARP KK

1 patent

US6598137B1Jul 22, 2003

Microcomputer having built-in nonvolatile memory for simultaneous use as a program area and a data area

SHARP KK14 citations82

KATSUTANI MASAFUMI

1 patent

US4968899ANov 6, 1990

Clock signal switching device of an IC Card

KATSUTANI MASAFUMI10 citations67