Inventor · disambiguated record
Akihiko Fujiwara
Also filed as: FUJIWARA AKIHIKO
73 granted patents·38 pending applications·705 citations·filing 1994–2021
99Inventor score
Top patents by PatentIndex Score
111 records- 0193US7728556B2Semiconductor device for protecting rechargeable batteryRICOH KK·Filed 2006·Granted Jun 1, 2010·59 cites·8 claims
- 0289US6994913B1Thermoplastic elastomer, use thereof, and process for producing the sameSEKISUI CHEMICAL CO LTD·Filed 2000·Granted Feb 7, 2006·48 cites·24 claims
- 0387US6316915B1Charge/discharge protection circuit and battery pack having the charge/discharge protection circuitRICOH KK·Filed 2000·Granted Nov 13, 2001·77 cites·10 claims
- 0486US9025210B2Document management apparatusTOSHIBA KK·Filed 2014·Granted May 5, 2015·6 cites·7 claims
- 0585US9942164B2Mobile information terminal and program thereofTOSHIBA TEC KK·Filed 2015·Granted Apr 10, 2018·5 cites·19 claims
- 0684US10412908B2Hydroponic systemTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2015·Granted Sep 17, 2019·8 cites·5 claims
- 0784US7446575B2Capacitor charging methods and apparatuses that use a secure parallel monitoring circuitRICOH KK·Filed 2006·Granted Nov 4, 2008·22 cites·5 claims
- 0883US8717633B2Printed image erasing systemTOMIZAWA HAJIME·Filed 2012·Granted May 6, 2014·5 cites·7 claims
- 0983US7772805B2Charge/discharge protection circuit utilizing a charger connection recovery circuit that cycles a discharge control transistor on and off while a battery is over-discharged during chargingRICOH KK·Filed 2007·Granted Aug 10, 2010·23 cites·6 claims
- 1083US7242498B2Job executing system and job executing methodTOSHIBA TEC KK·Filed 2001·Granted Jul 10, 2007·25 cites·16 claims
- 1182US9820092B1Information processing apparatus, positioning system and method for positioning a communication deviceTOSHIBA TEC KK·Filed 2017·Granted Nov 14, 2017·4 cites·20 claims
- 1280US6795210B1Image reading apparatusTOSHIBA KK·Filed 2000·Granted Sep 21, 2004·16 cites·3 claims
- 1379US7778953B2Document management apparatus and document management methodTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·12 cites·20 claims
- 1478US7475336B2Document information processing apparatus and document information processing programTOSHIBA KK·Filed 2004·Granted Jan 6, 2009·12 cites·20 claims
- 1578US6501248B2Charge/discharge protection apparatus having a charge-state overcurrent detector, and battery pack including the sameRICOH KK·Filed 2001·Granted Dec 31, 2002·33 cites·13 claims
- 1677US10257659B2Positioning device and positioning systemTOSHIBA TEC KK·Filed 2018·Granted Apr 9, 2019·3 cites·20 claims
- 1777US10036798B1Positioning apparatus and positioning methodTOSHIBA TEC KK·Filed 2017·Granted Jul 31, 2018·2 cites·18 claims
- 1875US7495418B2Semiconductor apparatus for charging capacitorsRICOH KK·Filed 2005·Granted Feb 24, 2009·13 cites·15 claims
- 1974US7047492B2Document management systemTOSHIBA TEC KK·Filed 2003·Granted May 16, 2006·19 cites·20 claims
- 2074US6812673B2Charge/discharge protection apparatus having a charge-state overcurrent detector, and battery pack including the same, and mobile electronic systemRICOH KK·Filed 2002·Granted Nov 2, 2004·26 cites·16 claims
- 2173US6563292B2Charge/discharge protection circuit with latch circuit for protecting a charge control FET from overheatingRICOH KK·Filed 2001·Granted May 13, 2003·26 cites·18 claims
- 2271US10830862B2Position measuring system including a server and a plurality of beaconsTOSHIBA TEC KK·Filed 2018·Granted Nov 10, 2020·2 cites·20 claims
- 2371US8454735B2Allergen inhibitor, allergen-inhibiting product, allergen inhibition method, and use as allergen inhibitorFUJIWARA AKIHIKO·Filed 2008·Granted Jun 4, 2013·1 cites·17 claims
- 2471US6579952B1Polyesterurethane elastomers and process for their productionSEKISUI CHEMICAL CO LTD·Filed 1999·Granted Jun 17, 2003·26 cites·18 claims
- 2570US11526315B2Image processing apparatus configured to encode identification information about a package for deliveryTOSHIBA TEC KK·Filed 2021·Granted Dec 13, 2022·0 cites·19 claims
- 2670US9711786B2Fine particle-exfoliated graphite composite, negative electrode material for lithium ion secondary battery, and methods for producing the same, and lithium ion secondary batterySEKISUI CHEMICAL CO LTD·Filed 2014·Granted Jul 18, 2017·1 cites·21 claims
- 2770US8436119B1Allergen suppressor, allergen-suppression processed fiber and method of producing the sameSEKISUI CHEMICAL CO LTD·Filed 2013·Granted May 7, 2013·0 cites·5 claims
- 2870US8189920B2Image processing system, image processing method, and image processing programTOMIZAWA HAJIME·Filed 2007·Granted May 29, 2012·9 cites·20 claims
- 2969US8679240B2Allergen inhibitor, allergen-inhibiting product, allergen inhibiting method, and use as allergen inhibitorSEKISUI CHEMICAL CO LTD·Filed 2013·Granted Mar 25, 2014·0 cites·22 claims
- 3068US6643028B1Method for storing image of original and image processing apparatusTOSHIBA KK·Filed 1999·Granted Nov 4, 2003·33 cites·17 claims
- 3165US7839530B2Program distribution from a program distribution source to an image forming apparatusTOSHIBA KK·Filed 2007·Granted Nov 23, 2010·2 cites·14 claims
- 3263US6768289B2Charge/discharge protection circuit with latch circuit for protecting a charge control FET from overheating in a portable deviceRICOH KK·Filed 2003·Granted Jul 27, 2004·14 cites·18 claims
- 3362US10732912B2Image forming apparatus for printing an image according to one of document types used in a predetermined serviceTOSHIBA TEC KK·Filed 2019·Granted Aug 4, 2020·0 cites·18 claims
- 3462US5936384ACharge and discharge protection circuit and battery pack with high withstand voltageRICOH KK·Filed 1998·Granted Aug 10, 1999·51 cites·8 claims
- 3562US2020348894A1Image forming apparatus and image forming methodTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
- 3662US2015112804A1Method for presenting sales information and system for presenting the sameTOSHIBA TEC KK·Filed 2014·Application pending·0 cites
- 3760US7436538B2Dispersed input and output systemTOSHIBA KK·Filed 2006·Granted Oct 14, 2008·1 cites·16 claims
- 3860US7078914B2Parallel monitor circuit and semiconductor apparatusRICOH KK·Filed 2005·Granted Jul 18, 2006·4 cites·7 claims
- 3960US7034580B2Capacitor charging methods and apparatuses that use a secure parallel monitoring circuitRICON COMPANY LTD·Filed 2004·Granted Apr 25, 2006·17 cites·21 claims
- 4059US11410329B2Information processing device, method performed thereby, and non-transitory computer readable mediumTOSHIBA TEC KK·Filed 2020·Granted Aug 9, 2022·0 cites·18 claims
- 4159US2009100327A1Document information processing apparatus and document information processing programTOSHIBA TEC KK·Filed 2008·Application pending·0 cites
- 4259US2009154815A1Document information processing apparatus and document information processing programTOSHIBA TEC KK·Filed 2008·Application pending·0 cites
- 4358US7682691B2Resin composition of layered silicateSEKISUI CHEMICAL CO LTD·Filed 2003·Granted Mar 23, 2010·9 cites·24 claims
- 4458US7268898B2System and method for data processingTOSHIBA TEC KK·Filed 2002·Granted Sep 11, 2007·6 cites·14 claims
- 4558US6967732B2Image reading apparatusTOSHIBA TEC KK·Filed 2004·Granted Nov 22, 2005·2 cites·16 claims
- 4657US10902633B2Information providing apparatus and information providing method using virtual sound image localization processingTOSHIBA TEC KK·Filed 2018·Granted Jan 26, 2021·0 cites·16 claims
- 4757US10839774B2Content providing apparatus and computer programTOSHIBA TEC KK·Filed 2018·Granted Nov 17, 2020·0 cites·20 claims
- 4857US7386794B2Apparatus and method for performing the management of operation historyTOSHIBA KK·Filed 2003·Granted Jun 10, 2008·5 cites·17 claims
- 4957US2015164070A1Influenza virus infection inhibitor for fiber processing, fiber product using the same, and method for producing the sameSEKISUI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 5056US10634758B2Positioning apparatus and positioning methodTOSHIBA TEC KK·Filed 2018·Granted Apr 28, 2020·0 cites·18 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →