| 7668556 |
Communication system, communication terminal apparatus and wireless key apparatus |
Mitsuyoshi Yasuda, Katsutoshi Itoh, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2010-02-23 |
| 7577447 |
Communication system and communication terminal apparatus with changeable transmission/reception periods |
Katsutoshi Itoh, Mitsuyoshi Yasuda, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2009-08-18 |
| 7509118 |
Head set apparatus, communication terminal apparatus and communication system |
Katsutoshi Itoh, Mitsuyoshi Yasuda, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2009-03-24 |
| 7468959 |
Communication system and communication terminal apparatus |
Katsutoshi Itoh, Mitsuyoshi Yasuda, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2008-12-23 |
| 7436798 |
Communication system, communication terminal apparatus, wireless key apparatus and program |
Katsutoshi Itoh, Mitsuyoshi Yasuda, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2008-10-14 |
| 7340215 |
Communication system, communication terminal apparatus and wireless key apparatus |
Mitsuyoshi Yasuda, Katsutoshi Itoh, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2008-03-04 |
| 7336929 |
Short range wireless communication system, portable terminal apparatus, and wireless communication apparatus |
Mitsuyoshi Yasuda, Katsutoshi Itoh, Makoto Natori, Osamu Yoshimura, Takeshi Itagaki |
2008-02-26 |
| 7228142 |
Communication terminal apparatus and communication system |
Makoto Natori, Katsutoshi Itoh, Mitsuyoshi Yasuda, Osamu Yoshimura, Takeshi Itagaki |
2007-06-05 |