| 6842859 |
Authentication system, authentication device, authentication data producing device, and authentication method |
Junichi Hikita, Yoshihiro Ikefuji |
2005-01-11 |
| 6679424 |
Non contact type IC card |
Junichi Hikita, Yoshihiro Ikefuji, Haruo Taguchi |
2004-01-20 |
| 6624743 |
Automatic adjusting responder with no self-contained power supply |
Yoshihiro Ikefuji, Satoshi Yoshioka |
2003-09-23 |
| 6498923 |
Telecommunication device |
Yoshihiro Ikefuji, Haruo Taguchi |
2002-12-24 |
| 6478228 |
Card mounted with circuit chip and circuit chip module |
Yoshihiro Ikefuji, Toyokazu Komuro |
2002-11-12 |
| 6464145 |
Non-contact communication device |
— |
2002-10-15 |
| 6422473 |
Circuit chip mounted card and circuit chip module |
Yoshihiro Ikefuji, Hiroharu Okada |
2002-07-23 |
| 6181001 |
Card mounted with circuit chip and circuit chip module |
Yoshihiro Ikefuji, Hiroharu Okada |
2001-01-30 |
| 5396639 |
One chip microcomputer having programmable I/O terminals programmed according to data stored in nonvolatile memory |
Yoshiaki Suenaga, Hiroaki Masumoto |
1995-03-07 |
| 5208492 |
Output buffer user-programmable to function as CMOS output driver or open-drain output driver |
Hiroaki Masumoto |
1993-05-04 |
