Inventor · disambiguated record
Kishiko Maruyama
Also filed as: MARUYAMA KISHIKO
21 granted patents·3 pending applications·781 citations·filing 1996–2022
96Inventor score
Files withHITACHI LTD9ZANAVY INFORMATICS KK7HITACHI SOLUTIONS LTD3ASAHARA AKINORI1KAWAMATA YUKIHIRO1
Top patents by PatentIndex Score
24 records- 0197US6430498B1Portable terminal with the function of walking navigationHITACHI LTD·Filed 2000·Granted Aug 6, 2002·253 cites·13 claims
- 0294US6922630B2Portable terminal with the function of walking navigationHITACHI LTD·Filed 2004·Granted Jul 26, 2005·99 cites·16 claims
- 0394US6748317B2Portable terminal with the function of walking navigationHITACHI LTD·Filed 2003·Granted Jun 8, 2004·104 cites·20 claims
- 0492US6580999B2Portable terminal with the function of walking navigationHITACHI LTD·Filed 2002·Granted Jun 17, 2003·65 cites·6 claims
- 0585US7522997B2Navigation apparatusZANAVY INFORMATICS KK·Filed 2007·Granted Apr 21, 2009·20 cites·8 claims
- 0685US7248965B2Map information supply device for mobile unitsHITACHI LTD·Filed 2004·Granted Jul 24, 2007·60 cites·18 claims
- 0782US7392133B2Car navigation systemHITACHI LTD·Filed 2004·Granted Jun 24, 2008·48 cites·15 claims
- 0874US6295066B1Method for generating virtual three-dimensional spaceHITACHI LTD·Filed 1998·Granted Sep 25, 2001·56 cites·20 claims
- 0969US7493212B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Feb 17, 2009·6 cites·12 claims
- 1064US7561962B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Jul 14, 2009·4 cites·5 claims
- 1161US7477269B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Jan 13, 2009·3 cites·7 claims
- 1258US8224570B2On-vehicle map display apparatus, map display methodSUMIZAWA AKIO·Filed 2008·Granted Jul 17, 2012·3 cites·10 claims
- 1358US8131675B2Map data delivering device, communication terminal, and map delivering methodOBARA KIYOHIRO·Filed 2008·Granted Mar 6, 2012·3 cites·10 claims
- 1458US7668650B2On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatusZANAVY INFORMATICS KK·Filed 2005·Granted Feb 23, 2010·2 cites·21 claims
- 1556US8548737B2Navigation apparatusKOBAYASHI YUTA·Filed 2008·Granted Oct 1, 2013·2 cites·3 claims
- 1655US12511865B2Overhead wire recognition device and overhead wire recognition methodHITACHI SOLUTIONS LTD·Filed 2022·Granted Dec 30, 2025·0 cites·4 claims
- 1754US7839306B2Map display methodHITACHI LTD·Filed 2004·Granted Nov 23, 2010·9 cites·22 claims
- 1854US5978520AMethod of recognizing image data and apparatus thereforHITACHI LTD·Filed 1996·Granted Nov 2, 1999·44 cites·14 claims
- 1951US11295130B2Aerial line extraction system and aerial line extraction methodHITACHI SOLUTIONS LTD·Filed 2020·Granted Apr 5, 2022·0 cites·12 claims
- 2047US11495026B2Aerial line extraction system and methodHITACHI SOLUTIONS LTD·Filed 2019·Granted Nov 8, 2022·0 cites·14 claims
- 2146US2009157295A1Navigation ApparatusZANAVY INFORMATICS KK·Filed 2008·Application pending·0 cites
- 2245US7327366B2Navigation apparatus, map data distribution apparatus, map data distribution system and map display methodZANAVY INFORMATICS KK·Filed 2005·Granted Feb 5, 2008·0 cites·14 claims
- 2343US2006184317A1Map processor, navigation device and map displaying methodASAHARA AKINORI·Filed 2006·Application pending·0 cites
- 2438US2006106534A1Map data delivering method for communication-type navigation systemKAWAMATA YUKIHIRO·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →