Inventor · disambiguated record
Takashi Yoshikawa
Also filed as: YOSHIKAWA TAKASHI
98 granted patents·16 pending applications·1,345 citations·filing 1975–2023
99Inventor score
Top patents by PatentIndex Score
114 records- 0198US8317411B2Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly methodFUJIWARA KUNIHIKO·Filed 2011·Granted Nov 27, 2012·69 cites·18 claims
- 0298US7559702B2Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly methodFUJIKURA LTD·Filed 2007·Granted Jul 14, 2009·85 cites·17 claims
- 0396US8083418B2Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly methodFUJIWARA KUNIHIKO·Filed 2009·Granted Dec 27, 2011·63 cites·14 claims
- 0495US5778018AVCSELs (vertical-cavity surface emitting lasers) and VCSEL-based devicesNEC CORP·Filed 1995·Granted Jul 7, 1998·131 cites·5 claims
- 0593US7761307B2Power transmission and power receiving apparatus and methodNTT DOCOMO INC·Filed 2006·Granted Jul 20, 2010·63 cites·8 claims
- 0693US6901185B2Optical module capable of improving coupling efficiency and suppressing fluctuation of coupling loss and its manufacturing methodNEC CORP·Filed 2003·Granted May 31, 2005·59 cites·29 claims
- 0792US7613404B2Image forming apparatus transferring log informationRICOH KK·Filed 2005·Granted Nov 3, 2009·18 cites·19 claims
- 0891US10363741B2Liquid ejection apparatus and method for manufacturing liquid ejection apparatusBROTHER IND LTD·Filed 2018·Granted Jul 30, 2019·2 cites·15 claims
- 0990US4860523AHermetic packaging apparatusSHARP KK·Filed 1987·Granted Aug 29, 1989·82 cites·17 claims
- 1089US7873056B2Switch device, switching method and switch control programNEC CORP·Filed 2005·Granted Jan 18, 2011·21 cites·24 claims
- 1189US6154479AVCSELs (vertical-cavity surface emitting lasers) and VCSEL-based devicesNEC CORP·Filed 1998·Granted Nov 28, 2000·74 cites·23 claims
- 1288US8934827B2Print control apparatus, printing system, and print control methodYOSHIKAWA TAKASHI·Filed 2012·Granted Jan 13, 2015·4 cites·11 claims
- 1387USD790559SDisplay screen with graphical user interfaceHITACHI LTD·Filed 2014·Granted Jun 27, 2017·39 cites·1 claims
- 1487US8135385B2Mobile terminal, access control management device, and access control management methodOHTA KEN·Filed 2006·Granted Mar 13, 2012·19 cites·11 claims
- 1586US6687829B1Data transmission apparatus and method for management of user identification data allocated to image dataRICOH KK·Filed 2000·Granted Feb 3, 2004·32 cites·18 claims
- 1685US7784219B2Door opening and closing mechanismSHARP KK·Filed 2005·Granted Aug 31, 2010·22 cites·21 claims
- 1784US8064075B2Image processing apparatus, count management server, and count management methodYOSHIKAWA TAKASHI·Filed 2007·Granted Nov 22, 2011·8 cites·16 claims
- 1884US5772900AMethod and apparatus for reclaiming used working fluidNORITAKE CO LTD·Filed 1995·Granted Jun 30, 1998·65 cites·19 claims
- 1982US9731506B2Liquid ejection apparatus and method for manufacturing liquid ejection apparatusBROTHER IND LTD·Filed 2016·Granted Aug 15, 2017·1 cites·17 claims
- 2082US8683110B2I/O system and I/O control methodSUZUKI JUN·Filed 2008·Granted Mar 25, 2014·11 cites·18 claims
- 2181US8657408B2Image recording apparatusBROTHER IND LTD·Filed 2013·Granted Feb 25, 2014·3 cites·5 claims
- 2281US7996238B2Power transmitting device, power receiving device, authentication/billing proxy device, electrical charging system, power transmitting method, power receiving method and electrical charging methodNTT DOCOMO INC·Filed 2008·Granted Aug 9, 2011·17 cites·4 claims
- 2380US6883841B2Door opening and closing mechanism with dual pivot axes for a doorSHARP KK·Filed 2003·Granted Apr 26, 2005·26 cites·7 claims
- 2478US8868814B2I/O system, downstream PCI express bridge, interface sharing method, and programHIGUCHI JUNICHI·Filed 2010·Granted Oct 21, 2014·5 cites·11 claims
- 2578US5448219AIndicating apparatus from preventing vehicles from colliding with each other as they passMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 5, 1995·42 cites·15 claims
- 2677US7845010B2Terminal control apparatus and terminal control methodNTT DOCOMO INC·Filed 2005·Granted Nov 30, 2010·8 cites·10 claims
- 2775US9354582B2Print control apparatus, printing system, and print control methodRICOH CO LTD·Filed 2014·Granted May 31, 2016·1 cites·11 claims
- 2875US8233483B2Communication apparatus, communication system, absent packet detecting method and absent packet detecting programENOMOTO NOBUYUKI·Filed 2008·Granted Jul 31, 2012·5 cites·21 claims
- 2975US6802155B1Door opening and closing mechanism with dual pivot axis for a doorSHARP KK·Filed 2000·Granted Oct 12, 2004·24 cites·5 claims
- 3074US7856572B2Information processing device, program thereof, modular type system operation management system, and component selection methodNEC CORP·Filed 2005·Granted Dec 21, 2010·7 cites·15 claims
- 3173US10675870B1Liquid ejection apparatus and method for manufacturing liquid ejection apparatusBROTHER IND LTD·Filed 2020·Granted Jun 9, 2020·0 cites·8 claims
- 3273US8264713B2Image forming apparatus, image forming method, and information processing apparatusTAKEUCHI SACHIKO·Filed 2005·Granted Sep 11, 2012·4 cites·13 claims
- 3373US7653805B2Processing in pipelined computing units with data line and circuit configuration rule signal lineTOSHIBA KK·Filed 2007·Granted Jan 26, 2010·6 cites·10 claims
- 3473US6871343B1Central processing apparatus and a compile methodTOSHIBA KK·Filed 2000·Granted Mar 22, 2005·19 cites·24 claims
- 3572US10583654B2Liquid ejection apparatus and method for manufacturing liquid ejection apparatusBROTHER IND LTD·Filed 2019·Granted Mar 10, 2020·0 cites·11 claims
- 3672US8615623B2Internet connection switch and internet connection systemHIDAKA YOUICHI·Filed 2007·Granted Dec 24, 2013·6 cites·13 claims
- 3771US9921564B2Programmable logic controllerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Mar 20, 2018·2 cites·6 claims
- 3871US7484041B2Systems and methods for loading data into the cache of one processor to improve performance of another processor in a multiprocessor systemTOSHIBA KK·Filed 2005·Granted Jan 27, 2009·5 cites·20 claims
- 3969US8625615B2PCI express switch, PCI express system, and network control methodHIDAKA YOUICHI·Filed 2009·Granted Jan 7, 2014·4 cites·17 claims
- 4068USD746303SDisplay screen with graphical user interfaceHITACHI LTD·Filed 2014·Granted Dec 29, 2015·15 cites·1 claims
- 4167US10894471B2Mounting structure for power conversion deviceNISSAN MOTOR·Filed 2016·Granted Jan 19, 2021·2 cites·13 claims
- 4267US10011110B2Liquid ejection apparatus and method for manufacturing liquid ejection apparatusBROTHER IND LTD·Filed 2017·Granted Jul 3, 2018·0 cites·27 claims
- 4367US7672661B2Management server and mobile terminalNTT DOCOMO INC·Filed 2005·Granted Mar 2, 2010·2 cites·4 claims
- 4466US10264002B2Program, information processing device, and information processing methodMITSUI BUSSAN SECURE DIRECTIONS INC·Filed 2017·Granted Apr 16, 2019·1 cites·5 claims
- 4566US9882737B2Network systemSUZUKI JUN·Filed 2012·Granted Jan 30, 2018·2 cites·10 claims
- 4666US7844689B2Managing configuration request received via networkRICOH CO LTD·Filed 2006·Granted Nov 30, 2010·3 cites·15 claims
- 4765US12076981B2Inkjet recording device including guide member whose portion is aligned with and at the same height as storage bodyBROTHER IND LTD·Filed 2022·Granted Sep 3, 2024·0 cites·15 claims
- 4864US7503633B2Image forming apparatus, printout control server, and computer readable recording medium on which a printout managing program is recordedRICOH KK·Filed 2006·Granted Mar 17, 2009·1 cites·17 claims
- 4964US3949306AHigh frequency amplifier with frequency conversionSONY CORP·Filed 1975·Granted Apr 6, 1976·10 cites·2 claims
- 5063USD746335SDisplay screen with iconHITACHI LTD·Filed 2014·Granted Dec 29, 2015·12 cites·1 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takashi Yoshikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →