Usui; Hisayoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Usui; Hisayoshi.The latest application filed is for "mobile telephone system capable of effectively utilizing gps information even if direct reception by a mobile telephone apparatus is difficult".

Company Profile

0.8.4

Usui; Hisayoshi - Saitama JP
Usui; Hisayoshi - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult Grant 7,233,783 - Usui June 19, 2	2007-06-19
Cellular phone suppressing degradation of receiving sensitivity Grant 7,209,767 - Usui April 24, 2	2007-04-24
Digital portable telephone set Grant 7,197,136 - Usui March 27, 2	2007-03-27
Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult Grant 6,954,648 - Usui October 11, 2	2005-10-11
Mobile communication device capable of carrying out both indirect and direct communication Grant 6,895,220 - Usui May 17, 2	2005-05-17
Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult App 20040132516 - Usui, Hisayoshi	2004-07-08
Cellular phone suppressing degradation of receiving sensitivity App 20040116168 - Usui, Hisayoshi	2004-06-17
Digital portable telephone unit and method for playing back voice/sound in the same unit Grant 6,625,468 - Usui September 23, 2	2003-09-23
Communication device effectively controlling power supply, method of controlling power supply, and medium Grant 6,615,060 - Usui September 2, 2	2003-09-02
Mobile communication device capable of carrying out both indirect and direct communication App 20020025839 - Usui, Hisayoshi	2002-02-28
Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult App 20020022490 - Usui, Hisayoshi	2002-02-21
Mobile station for an automobile telephone system Grant 4,916,729 - Usui April 10, 1	1990-04-10

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