Inventor · disambiguated record
Masayuki Ishizuka
Also filed as: ISHIZUKA MASAYUKI
50 granted patents·14 pending applications·121 citations·filing 1987–2024
97Inventor score
Files withSUMITOMO HEAVY INDUSTRIES52ISHIZUKA MASAYUKI4OHMI TADAHIRO2SUMITOMO OSAKA CEMENT CO LTD2ANDO KAZUTO1
Top patents by PatentIndex Score
64 records- 0197US11518325B2Reinforcement member for vehicle, and method for manufacturing sameSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Dec 6, 2022·4 cites·17 claims
- 0295US11845121B2Metal pipe forming method, metal pipe, and forming systemSUMITOMO HEAVY INDUSTRIES·Filed 2021·Granted Dec 19, 2023·2 cites·12 claims
- 0395US10173254B2Molding apparatusSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Jan 8, 2019·5 cites·2 claims
- 0493US10773292B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Sep 15, 2020·4 cites·6 claims
- 0593US10040110B2Forming system and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Aug 7, 2018·4 cites·16 claims
- 0691US10751780B2Forming deviceSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Aug 25, 2020·3 cites·4 claims
- 0791US8932170B2Planetary gear deviceSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Jan 13, 2015·11 cites·8 claims
- 0888US10967413B2Forming deviceSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Apr 6, 2021·2 cites·18 claims
- 0988US9046154B2Wheel drive unitSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Jun 2, 2015·11 cites·6 claims
- 1087US11041545B2Bending meshing type gear deviceSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jun 22, 2021·4 cites·6 claims
- 1187US10137491B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Nov 27, 2018·2 cites·4 claims
- 1284US10531520B2Molding apparatusSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Jan 7, 2020·1 cites·4 claims
- 1384US9252641B2Power transmission deviceSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Feb 2, 2016·5 cites·3 claims
- 1484US8961361B2Wheel drive unitSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Feb 24, 2015·6 cites·9 claims
- 1581US10967414B2Forming deviceSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Apr 6, 2021·1 cites·15 claims
- 1681US9855593B2Molding apparatus, method for replacing components of molding apparatus, and replacement unit for molding apparatusSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Jan 2, 2018·1 cites·5 claims
- 1781US6444957B1Heating apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2001·Granted Sep 3, 2002·26 cites·10 claims
- 1879US8814737B2Wheel driving deviceISHIZUKA MASAYUKI·Filed 2012·Granted Aug 26, 2014·4 cites·14 claims
- 1978US8887848B2ForkliftSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Nov 18, 2014·6 cites·6 claims
- 2074US11746881B2Reduction gearSUMITOMO HEAVY INDUSTRIES·Filed 2022·Granted Sep 5, 2023·0 cites·18 claims
- 2174US9944561B2Dielectric material and electrostatic chucking deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2015·Granted Apr 17, 2018·2 cites·5 claims
- 2273US11779987B2Forming deviceSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Oct 10, 2023·0 cites·20 claims
- 2373US2024334552A1Electrical heating device, forming device, and electrical heating methodSUMITOMO HEAVY INDUSTRIES·Filed 2024·Application pending·0 cites
- 2472US12319215B2Vehicle structureSUMITOMO HEAVY INDUSTRIES·Filed 2022·Granted Jun 3, 2025·0 cites·17 claims
- 2572US9216648B2Wheel driving deviceISHIZUKA MASAYUKI·Filed 2012·Granted Dec 22, 2015·4 cites·6 claims
- 2672US2024314892A1Electrical heating device, forming device, and electrical heating methodSUMITOMO HEAVY INDUSTRIES·Filed 2024·Application pending·0 cites
- 2771US9776380B2Ceramic memberHAYASHI SHINTARO·Filed 2011·Granted Oct 3, 2017·2 cites·13 claims
- 2871US8858380B2Speed reduction device and series of speed reduction devicesISHIZUKA MASAYUKI·Filed 2012·Granted Oct 14, 2014·5 cites·5 claims
- 2970US10926313B2Forming apparatusSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Feb 23, 2021·1 cites·15 claims
- 3069US11253900B2Forming apparatusSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Feb 22, 2022·0 cites·10 claims
- 3167US11493112B2Speed reducerSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Nov 8, 2022·0 cites·10 claims
- 3266US2020191254A1Reduction gearSUMITOMO HEAVY INDUSTRIES·Filed 2019·Application pending·0 cites
- 3366US2024157427A1Molding deviceSUMITOMO HEAVY INDUSTRIES·Filed 2024·Application pending·0 cites
- 3465US12358037B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2022·Granted Jul 15, 2025·0 cites·7 claims
- 3565US12214825B2Flanged memberSUMITOMO HEAVY INDUSTRIES·Filed 2022·Granted Feb 4, 2025·0 cites·12 claims
- 3665US12090542B2Forming systemSUMITOMO HEAVY INDUSTRIES·Filed 2021·Granted Sep 17, 2024·0 cites·13 claims
- 3765US2018015520A1Forming deviceSUMITOMO HEAVY INDUSTRIES·Filed 2017·Application pending·0 cites
- 3864US11440074B2Forming device, forming method, and metal pipeSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Sep 13, 2022·0 cites·8 claims
- 3964US8277581B2Nickel-iron-zinc alloy nanoparticlesISHIZUKA MASAYUKI·Filed 2008·Granted Oct 2, 2012·1 cites·9 claims
- 4064US2022288665A1Information providing device and determination systemSUMITOMO HEAVY INDUSTRIES·Filed 2022·Application pending·0 cites
- 4163US11919573B2Vehicle body structure, reinforcement member, and reinforcement member manufacturing methodSUMITOMO HEAVY INDUSTRIES·Filed 2022·Granted Mar 5, 2024·0 cites·14 claims
- 4261US9731947B2Wheel drive apparatus and forkliftSUMITOMO HEAVY INDUSTRIES·Filed 2014·Granted Aug 15, 2017·2 cites·15 claims
- 4361US2021362208A1Forming apparatus and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2021·Application pending·0 cites
- 4459US9950356B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Apr 24, 2018·0 cites·1 claims
- 4558US11642715B2Forming device and metal pipeSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted May 9, 2023·0 cites·19 claims
- 4658US11298738B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Apr 12, 2022·0 cites·4 claims
- 4758US11267034B2Forming device and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Mar 8, 2022·0 cites·18 claims
- 4857US11691192B2Forming systemSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jul 4, 2023·0 cites·14 claims
- 4957US11453037B2Forming systemSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Sep 27, 2022·0 cites·3 claims
- 5057US10646912B2Forming apparatus and forming methodSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted May 12, 2020·0 cites·15 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →