Inventor · disambiguated record
Yasuyuki Fukushima
Also filed as: FUKUSHIMA YASUYUKI
47 granted patents·10 pending applications·963 citations·filing 1995–2025
98Inventor score
Top patents by PatentIndex Score
57 records- 0196US8913041B2Position pointer, variable capacitor and inputting apparatusFUKUSHIMA YASUYUKI·Filed 2010·Granted Dec 16, 2014·55 cites·10 claims
- 0295US7778795B2Position indicator, variable capacitor, position input device and computer systemWACOM CO LTD·Filed 2008·Granted Aug 17, 2010·46 cites·18 claims
- 0393US8674967B2Position indicatorFUKUSHIMA YASUYUKI·Filed 2008·Granted Mar 18, 2014·27 cites·8 claims
- 0492US8525816B2Position pointer, variable capacitor and inputting apparatusFUKUSHIMA YASUYUKI·Filed 2010·Granted Sep 3, 2013·18 cites·13 claims
- 0591US11099037B2Magnetic encoder and production method thereforNTN TOYO BEARING CO LTD·Filed 2019·Granted Aug 24, 2021·4 cites·12 claims
- 0690US8525530B2Variable capacitor and position indicatorFUKUSHIMA YASUYUKI·Filed 2011·Granted Sep 3, 2013·9 cites·20 claims
- 0789US6556190B2Coordinate input stylusWACOM CO LTD·Filed 2001·Granted Apr 29, 2003·59 cites·18 claims
- 0889US6550826B2Door lock apparatusOHI SEISAKUSHO CO LTD·Filed 2000·Granted Apr 22, 2003·45 cites·10 claims
- 0988US5633471APressure sensitive element and a stylus pen with pressure sensitive functionWACOM CO LTD·Filed 1995·Granted May 27, 1997·145 cites·9 claims
- 1087US8304671B2Position indicator and coordinate input deviceFUKUSHIMA YASUYUKI·Filed 2008·Granted Nov 6, 2012·18 cites·12 claims
- 1187US5576502APointing unit and improved stylus penWACOM CO LTD·Filed 1995·Granted Nov 19, 1996·149 cites·13 claims
- 1286US8723842B2Position pointing device and hand-held electronic applianceKANEDA TAKENORI·Filed 2005·Granted May 13, 2014·23 cites·8 claims
- 1383US8587565B2Position indicator, variable capacitor and input deviceFUKUSHIMA YASUYUKI·Filed 2009·Granted Nov 19, 2013·12 cites·13 claims
- 1483US6853369B2Variable capacity condenser and pointerWACOM CO LTD·Filed 2001·Granted Feb 8, 2005·31 cites·19 claims
- 1581US9151586B2Position indicatorWACOM CO LTD·Filed 2013·Granted Oct 6, 2015·5 cites·20 claims
- 1681US8711130B2Position pointer, variable capacitor and inputting apparatusWACOM CO LTD·Filed 2013·Granted Apr 29, 2014·5 cites·20 claims
- 1781US6259438B1Coordinate input stylusWACOM CO LTD·Filed 1998·Granted Jul 10, 2001·88 cites·10 claims
- 1880US11718569B2Production method for composite materialIHI CORP·Filed 2020·Granted Aug 8, 2023·1 cites·7 claims
- 1979US6937231B2Pen-shaped coordinate pointing deviceWACOM CO LTD·Filed 2002·Granted Aug 30, 2005·26 cites·13 claims
- 2078US11181399B2Magnetic encoder, and production method thereforNTN TOYO BEARING CO LTD·Filed 2019·Granted Nov 23, 2021·1 cites·11 claims
- 2178US8184109B2Coordinate input device, position indicator and variable capacitorFUKUSHIMA YASUYUKI·Filed 2008·Granted May 22, 2012·9 cites·18 claims
- 2277US7456034B2Nitride semiconductor device and method for fabricating the samePANASONIC CORP·Filed 2006·Granted Nov 25, 2008·6 cites·8 claims
- 2376US9000780B2Position detecting sensor, position detecting device, and position detecting methodFUKUSHIMA YASUYUKI·Filed 2012·Granted Apr 7, 2015·3 cites·19 claims
- 2471US9822445B2Method for manufacturing heat-resistant composite materialIHI CORP·Filed 2015·Granted Nov 21, 2017·1 cites·14 claims
- 2571US8513694B2Nitride semiconductor device and manufacturing method of the deviceFUKUSHIMA YASUYUKI·Filed 2011·Granted Aug 20, 2013·2 cites·27 claims
- 2670US10221104B2Heat-resistant composite material production method and production deviceIHI CORP·Filed 2016·Granted Mar 5, 2019·1 cites·19 claims
- 2770US6576850B2Device and method for detecting rotation angleWACOM CO LTD·Filed 2001·Granted Jun 10, 2003·17 cites·29 claims
- 2869US6154196ACoordinate input device convertible between right-handed and left-handed modesWACOM CO LTD·Filed 1998·Granted Nov 28, 2000·55 cites·19 claims
- 2968US9081415B2Indicator operation detecting deviceWACOM CO LTD·Filed 2013·Granted Jul 14, 2015·2 cites·19 claims
- 3068US8884932B2Pen type coordinate indicatorWACOM CO LTD·Filed 2013·Granted Nov 11, 2014·2 cites·20 claims
- 3167US2025179608A1Method for recovering metal from metal element-containing substanceIHI CORP·Filed 2022·Application pending·0 cites
- 3267US2024384368A1Metal recovery material, and method for recovering metal from solution including metal ion or metal complex ionIHI CORP·Filed 2022·Application pending·0 cites
- 3366US8717307B2Input system including position-detecting deviceFUKUSHIMA YASUYUKI·Filed 2009·Granted May 6, 2014·2 cites·21 claims
- 3466US8421771B2Input system including position-detecting deviceFUKUSHIMA YASUYUKI·Filed 2009·Granted Apr 16, 2013·2 cites·17 claims
- 3566USRE41521EVariable capacity condenser and pointerWACOM CO LTD·Filed 2007·Granted Aug 17, 2010·3 cites·56 claims
- 3664US2024417333A1Method for covering fiber bodyIHI CORP·Filed 2024·Application pending·0 cites
- 3763US10167549B2Heat-resistant composite material production method and production deviceIHI CORP·Filed 2016·Granted Jan 1, 2019·1 cites·15 claims
- 3863US6512513B2Pointer for use in digitizer systemsWACOM CO LTD·Filed 1998·Granted Jan 28, 2003·28 cites·39 claims
- 3962US9377880B2Position indicatorWACOM CO LTD·Filed 2014·Granted Jun 28, 2016·1 cites·20 claims
- 4061US5717435ASide switch mechanism, and stylus pen using the sameWACOM CO LTD·Filed 1995·Granted Feb 10, 1998·40 cites·11 claims
- 4160US11229893B2Method of producing a silicon compound material and apparatus for producing a silicon compound materialIHI CORP·Filed 2019·Granted Jan 25, 2022·0 cites·29 claims
- 4260US2025198457A1Bearing deviceNTN TOYO BEARING CO LTD·Filed 2023·Application pending·0 cites
- 4358US5829799AAutomotive lid lock device with power unlocking mechanismOHI SEISAKUSHO CO LTD·Filed 1996·Granted Nov 3, 1998·19 cites·15 claims
- 4458US2025188636A1Metal recovery agent, metal recovery member, metal recovery liquid agent and metal recovery methodIHI CORP·Filed 2025·Application pending·0 cites
- 4556US8711106B2Input system including position-detecting deviceFUKUSHIMA YASUYUKI·Filed 2009·Granted Apr 29, 2014·0 cites·6 claims
- 4653US11293494B2BearingNTN TOYO BEARING CO LTD·Filed 2019·Granted Apr 5, 2022·0 cites·14 claims
- 4753US2009072221A1Nitride semiconductor device and method for fabricating the samePANASONIC CORP·Filed 2008·Application pending·0 cites
- 4852US12196257B2Bearing device, spindle device, bearing and spacerNTN TOYO BEARING CO LTD·Filed 2020·Granted Jan 14, 2025·0 cites·12 claims
- 4951US9377881B2Position indicatorWACOM CO LTD·Filed 2015·Granted Jun 28, 2016·0 cites·20 claims
- 5050US11137303B2Torque detection deviceNTN TOYO BEARING CO LTD·Filed 2018·Granted Oct 5, 2021·0 cites·6 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →