Inventor · disambiguated record
Izumi Horikawa
Also filed as: HORIKAWA IZUMI
12 granted patents·1 pending application·319 citations·filing 1980–2002
93Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD6NIPPON TELEGRAPH & TELEPHONE3HITACHI LTD2FUJITSU LTD1
Top patents by PatentIndex Score
13 records- 0184US4326294ASpace diversity reception system having compensation means of multipath effectNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Apr 20, 1982·56 cites·12 claims
- 0267US4710975ASpace diversity reception system having compensation means of multipath effectNIPPON TELEGRAPH & TELEPHONE·Filed 1982·Granted Dec 1, 1987·25 cites·12 claims
- 0364US5652752AMobile radio communication system employing time division multiple transmission schemeHITACHI LTD·Filed 1995·Granted Jul 29, 1997·38 cites·19 claims
- 0463US4323864ABinary transversal filterFUJITSU LTD·Filed 1980·Granted Apr 6, 1982·14 cites·7 claims
- 0562US6442405B1Base station device and radio communication methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 27, 2002·38 cites·12 claims
- 0659US4320523ADigital signal reception systemNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Mar 16, 1982·24 cites·15 claims
- 0753US6526271B1Method and apparatus for interference rejectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Feb 25, 2003·21 cites·18 claims
- 0852US5586122ATime division multiple access mobile wireless telecommunication systemHITACHI LTD·Filed 1994·Granted Dec 17, 1996·41 cites·5 claims
- 0951US5873027AMobile radio system with control over radio wave output if a malfunction is detectedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 16, 1999·17 cites·14 claims
- 1049US6119004ABase station equipment for mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 12, 2000·26 cites·12 claims
- 1142US6580703B1CDMA base station apparatus and code assignment methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 17, 2003·13 cites·16 claims
- 1239US2002169005A1Base station apparatus and radio communication methodFiled 2002·Application pending·0 cites
- 1335US6336040B1Mobile radio system with control over radio wave output if a malfunction is detectedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 1, 2002·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →