Inventor · disambiguated record
Yoshikazu Yamada
Also filed as: YAMADA YOSHIKAZU
97 granted patents·5 pending applications·948 citations·filing 1973–2024
99Inventor score
Files withTASAKI & CO LTD49HONDA MOTOR CO LTD25FUJITSU LTD6MITSUI CHEMICALS INC4MITSUBISHI HEAVY IND LTD2
Top patents by PatentIndex Score
102 records- 0195USD931753SJewelleryTASAKI & CO LTD·Filed 2021·Granted Sep 28, 2021·19 cites·1 claims
- 0295USD851532SEarringTASAKI & CO LTD·Filed 2018·Granted Jun 18, 2019·54 cites·1 claims
- 0394USD1027711SEarring or pendantTASAKI & CO LTD·Filed 2022·Granted May 21, 2024·16 cites·1 claims
- 0494USD932335SJewelleryTASAKI & CO LTD·Filed 2021·Granted Oct 5, 2021·18 cites·1 claims
- 0594US7086389B2General-purpose engineHONDA MOTOR CO LTD·Filed 2004·Granted Aug 8, 2006·39 cites·10 claims
- 0693USD949735SPendantTASAKI & CO LTD·Filed 2020·Granted Apr 26, 2022·16 cites·1 claims
- 0793USD913144SEarringTASAKI & CO LTD·Filed 2019·Granted Mar 16, 2021·42 cites·1 claims
- 0892USD953922SFinger ringTASAKI & CO LTD·Filed 2022·Granted Jun 7, 2022·12 cites·1 claims
- 0992USD913143SFinger ringTASAKI & CO LTD·Filed 2019·Granted Mar 16, 2021·34 cites·1 claims
- 1091USD1026721SEarringTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·12 cites·1 claims
- 1191USD1026720SEarringTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·12 cites·1 claims
- 1291USD1026722SEarringTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·12 cites·1 claims
- 1391USD934103SJewelleryTASAKI & CO LTD·Filed 2021·Granted Oct 26, 2021·13 cites·1 claims
- 1489USD949040SFinger ringTASAKI & CO LTD·Filed 2020·Granted Apr 19, 2022·13 cites·1 claims
- 1589USD949043SEarringTASAKI & CO LTD·Filed 2020·Granted Apr 19, 2022·13 cites·1 claims
- 1689USD949042SEarringTASAKI & CO LTD·Filed 2020·Granted Apr 19, 2022·13 cites·1 claims
- 1789US5031591AOHC vertical crankshaft engineHONDA MOTOR CO LTD·Filed 1990·Granted Jul 16, 1991·77 cites·14 claims
- 1888USD918083SJewelleryTASAKI & CO LTD·Filed 2019·Granted May 4, 2021·23 cites·1 claims
- 1988USD908525SPendantTASAKI & CO LTD·Filed 2019·Granted Jan 26, 2021·27 cites·1 claims
- 2087USD951803SPendantTASAKI & CO LTD·Filed 2020·Granted May 17, 2022·11 cites·1 claims
- 2186USD914538SJewelleryTASAKI & CO LTD·Filed 2019·Granted Mar 30, 2021·20 cites·1 claims
- 2285US7104258B2General-purpose engineHONDA MOTOR CO LTD·Filed 2004·Granted Sep 12, 2006·24 cites·4 claims
- 2385US5085184ADevice for reducing starting load on internal combustion engineHONDA MOTOR CO LTD·Filed 1990·Granted Feb 4, 1992·41 cites·7 claims
- 2483USD1026717SFinger ringTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·7 cites·1 claims
- 2583US6779495B2Variable compression ratio engineHONDA MOTOR CO LTD·Filed 2003·Granted Aug 24, 2004·28 cites·4 claims
- 2682USD1044569SEarringTASAKI & CO LTD·Filed 2022·Granted Oct 1, 2024·6 cites·1 claims
- 2782USD1044572SBroochTASAKI & CO LTD·Filed 2023·Granted Oct 1, 2024·6 cites·1 claims
- 2881USD905588SPendantTASAKI & CO LTD·Filed 2019·Granted Dec 22, 2020·17 cites·1 claims
- 2981US6803810B2Semiconductor device and portable terminal equipmentFUJITSU LTD·Filed 2002·Granted Oct 12, 2004·32 cites·12 claims
- 3079US7998581B2Solid particle erosion resistant surface treated coating and rotating machine applied therewithMITSUBISHI HEAVY INDUSTIRES LTD·Filed 2006·Granted Aug 16, 2011·6 cites·12 claims
- 3178USD1026712SNecklaceTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·5 cites·1 claims
- 3276USD1044567SFinger ringTASAKI & CO LTD·Filed 2022·Granted Oct 1, 2024·4 cites·1 claims
- 3376US9546632B2Two-stroke engine with fuel injectionHONDA MOTOR CO LTD·Filed 2014·Granted Jan 17, 2017·3 cites·9 claims
- 3474US12480463B2ReactorHONDA MOTOR CO LTD·Filed 2023·Granted Nov 25, 2025·0 cites·7 claims
- 3574USD1026716SFinger ringTASAKI & CO LTD·Filed 2022·Granted May 14, 2024·4 cites·1 claims
- 3673US4187629APerpetual and multi-year calendarsYAMADA GRAPHICS CORP·Filed 1977·Granted Feb 12, 1980·23 cites·31 claims
- 3772USD843874SRingTASAKI & CO LTD·Filed 2018·Granted Mar 26, 2019·12 cites·1 claims
- 3871USD1044566SFinger ringTASAKI & CO LTD·Filed 2022·Granted Oct 1, 2024·3 cites·1 claims
- 3971US5719886ASystem for optically recording/reproducing multimedia information using code dataOLYMPUS OPTICAL CO·Filed 1996·Granted Feb 17, 1998·24 cites·43 claims
- 4069US2025073664A1ReactorHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4169US2025073651A1Agitation deviceHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4268US6973922B2Fuel supply control system for engineKEIHIN CORP·Filed 2004·Granted Dec 13, 2005·12 cites·5 claims
- 4367USD949041SEarringTASAKI & CO LTD·Filed 2020·Granted Apr 19, 2022·3 cites·1 claims
- 4467US7895368B2Wireless communication equipment and connection processing methodOLYMPUS IMAGING CORP·Filed 2009·Granted Feb 22, 2011·3 cites·6 claims
- 4566USD1064905SFinger ringTASAKI & CO LTD·Filed 2023·Granted Mar 4, 2025·2 cites·1 claims
- 4666USD1044571SBroochTASAKI & CO LTD·Filed 2023·Granted Oct 1, 2024·2 cites·1 claims
- 4766US5764668ASemiconductor laser deviceMITSUI PETROCHEMICAL IND·Filed 1994·Granted Jun 9, 1998·23 cites·15 claims
- 4865USD1036295SPendantTASAKI & CO LTD·Filed 2022·Granted Jul 23, 2024·2 cites·1 claims
- 4965USD1036297SPendantTASAKI & CO LTD·Filed 2022·Granted Jul 23, 2024·2 cites·1 claims
- 5065US9359920B2Variable valve actuating mechanism for OHV engineHONDA MOTOR CO LTD·Filed 2014·Granted Jun 7, 2016·1 cites·8 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →