Inventor · disambiguated record
Toshihiko Muramatsu
Also filed as: MURAMATSU TOSHIHIKO
30 granted patents·5 pending applications·547 citations·filing 1982–2021
97Inventor score
Top patents by PatentIndex Score
35 records- 0191US6868337B2Portable navigation device and system, and online navigation service in wireless communication networkYAMAHA CORP·Filed 2002·Granted Mar 15, 2005·94 cites·17 claims
- 0290US8302582B2Fuel supply deviceOOHASHI MASAHARU·Filed 2010·Granted Nov 6, 2012·15 cites·6 claims
- 0390US6014958AAntidissipation apparatus for evaporated fuel vaporDENSO CORP·Filed 1998·Granted Jan 18, 2000·54 cites·23 claims
- 0489US7458362B2Fuel supply system for internal combustion engineDENSO CORP·Filed 2007·Granted Dec 2, 2008·16 cites·13 claims
- 0588US6937141B2Car control system and vehicle remote control systemYAMAHA CORP·Filed 2003·Granted Aug 30, 2005·45 cites·7 claims
- 0683US6992583B2Vehicle position communication system, vehicle navigation apparatus and portable communications apparatusYAMAHA CORP·Filed 2003·Granted Jan 31, 2006·50 cites·5 claims
- 0781US6941127B2Portable telephone apparatusYAMAHA CORP·Filed 2001·Granted Sep 6, 2005·31 cites·12 claims
- 0874US6957088B2Electronic apparatusYAMAHA CORP·Filed 2002·Granted Oct 18, 2005·21 cites·18 claims
- 0973US6230558B1Apparatus and method for measuring fuel flow rate and residual fuel quantity and for controlling evaporated fuelDENSO CORP·Filed 1998·Granted May 15, 2001·38 cites·21 claims
- 1071US7385643B2Image pickup apparatus utilizing a geomagnetic sensorYAMAHA CORP·Filed 2002·Granted Jun 10, 2008·10 cites·4 claims
- 1168US7471955B2Mobile terminal device having route guiding function and route guiding method utilizing mobile terminal deviceYAMAHA CORP·Filed 2004·Granted Dec 30, 2008·25 cites·14 claims
- 1268US4492202AFuel injection controlNIPPON DENSO CO·Filed 1983·Granted Jan 8, 1985·15 cites·3 claims
- 1366US4457282AElectronic control for fuel injectionNIPPON DENSO CO·Filed 1982·Granted Jul 3, 1984·14 cites·11 claims
- 1464US6788026B2Battery charger, including an amplifier for audio signals, for portable audio devicesYAMAHA CORP·Filed 2002·Granted Sep 7, 2004·17 cites·19 claims
- 1564US5546911AFuel injection control apparatusNIPPON DENSO CO·Filed 1994·Granted Aug 20, 1996·21 cites·29 claims
- 1663US2005043015A1Electronic communication device, method and program for receiving email by electronic communication deviceNEC CORP·Filed 2004·Application pending·0 cites
- 1762US6394074B1Vapor fuel processing system having canister for absorbing vapor fuel contained in fuel tankDENSO CORP·Filed 2001·Granted May 28, 2002·9 cites·9 claims
- 1861US6879826B2Communication device and communication methodNEC CORP·Filed 2001·Granted Apr 12, 2005·7 cites·20 claims
- 1959US6856192B2Class-D amplifier of BTL output type using filter coil and low-pass filterYAMAHA CORP·Filed 2002·Granted Feb 15, 2005·9 cites·9 claims
- 2053US11365708B2Fuel supply deviceDENSO CORP·Filed 2021·Granted Jun 21, 2022·0 cites·6 claims
- 2153US11111891B2Fuel supply deviceDENSO CORP·Filed 2020·Granted Sep 7, 2021·0 cites·12 claims
- 2252US9926897B2Fuel pump moduleDENSO CORP·Filed 2014·Granted Mar 27, 2018·0 cites·9 claims
- 2352US6752170B2Fuel pressure regulating valveDENSO CORP·Filed 2002·Granted Jun 22, 2004·5 cites·6 claims
- 2445US5765992ARegenerative pumpDENSO CORP·Filed 1997·Granted Jun 16, 1998·11 cites·10 claims
- 2545US2002103030A1Game playing system having site connectibility using URL allocated by management server over networkFiled 2002·Application pending·0 cites
- 2645US2005228638A1Mobile communication device, support system and method for coping with multi-languages and language management apparatusNEC CORP·Filed 2005·Application pending·0 cites
- 2744US5629688ARadio selective calling receiver storing messages based on sending-group namesNEC CORP·Filed 1995·Granted May 13, 1997·13 cites·12 claims
- 2841US10623850B2Speaker systemYAMAHA CORP·Filed 2017·Granted Apr 14, 2020·0 cites·4 claims
- 2941US7663286B2Commutator motor with brush biased toward initial contact sideDENSO CORP·Filed 2006·Granted Feb 16, 2010·1 cites·17 claims
- 3041US6205322B1Selective call receiverNEC CORP·Filed 1998·Granted Mar 20, 2001·10 cites·20 claims
- 3140US4706196AApparatus and method for injecting fuel into engine according to group injection systemNIPPON DENSO CO·Filed 1985·Granted Nov 10, 1987·8 cites·5 claims
- 3236US5920269ARepeat call message transmission radio pager with front end deactivated following reception of a messageNEC CORP·Filed 1996·Granted Jul 6, 1999·8 cites·7 claims
- 3335US10393078B2Fuel supply deviceDENSO CORP·Filed 2016·Granted Aug 27, 2019·0 cites·7 claims
- 3430US2001051536A1Communication device to inform a user of a call differently according to the callerFiled 1998·Application pending·0 cites
- 3530US2017241385A1Fuel supply deviceDENSO CORP·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →