Inventor · disambiguated record
Akio Yotsutani
Also filed as: YOTSUTANI AKIO
17 granted patents·766 citations·filing 1977–1991
96Inventor score
Top patents by PatentIndex Score
17 records- 0194US4194153ADigital radio paging communication systemNIPPON ELECTRIC CO·Filed 1978·Granted Mar 18, 1980·65 cites·12 claims
- 0293US4679244AMethod of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1985·Granted Jul 7, 1987·153 cites·4 claims
- 0390US4640986AMobile radio communication systemNEC CORP·Filed 1984·Granted Feb 3, 1987·80 cites·12 claims
- 0484US4875231ARadio telephone systemNEC CORP·Filed 1987·Granted Oct 17, 1989·82 cites·5 claims
- 0576US4656653ACordless telephone apparatus having means for synchronizing channel scanning of fixed and portable unitsNEC CORP·Filed 1986·Granted Apr 7, 1987·44 cites·17 claims
- 0673US4802200ARadio telephone system control apparatus and methodNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Jan 31, 1989·38 cites·34 claims
- 0770US4776001ARadio telephone system control apparatus and methodNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Oct 4, 1988·32 cites·24 claims
- 0866US4726052ARadio telephone system and method for controlling sameNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Feb 16, 1988·25 cites·20 claims
- 0963US5140628ARadio telephone system control methodNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Aug 18, 1992·22 cites·25 claims
- 1063US4736461AMethod of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Apr 5, 1988·60 cites·1 claims
- 1161US4962524ACordless telephone apparatus and a method of controlling sameNIPPON TELEGRAPH & TELEPHONE·Filed 1988·Granted Oct 9, 1990·21 cites·18 claims
- 1257US4897864AControl method and appartus for a radio telephone systemNIPPON TELEGRAPH & TELEPHONE·Filed 1988·Granted Jan 30, 1990·16 cites·21 claims
- 1355US4802201AControl system of a radio telephone apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Jan 31, 1989·16 cites·15 claims
- 1453US4974251ACordless telephone systemNIPPON TELEGRAPH & TELEPHONE·Filed 1988·Granted Nov 27, 1990·15 cites·14 claims
- 1552US5239572ACordless key telephone system capable of quickly answering incoming callsNEC CORP·Filed 1991·Granted Aug 24, 1993·48 cites·6 claims
- 1649US4843622ACommunication control system capable of searching a called telephone set in a mobile radio telephone networkNEC CORP·Filed 1988·Granted Jun 27, 1989·44 cites·4 claims
- 1740US4195263ASelective call radio communication receiverNIPPON ELECTRIC CO·Filed 1977·Granted Mar 25, 1980·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →