Inventor
ISHIZUKA MASAYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZUKA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
40 patentsUS9046154B2Jun 2, 2015
Wheel drive unit
SUMITOMO HEAVY INDUSTRIES11 citations84
US8932170B2Jan 13, 2015
Planetary gear device
SUMITOMO HEAVY INDUSTRIES11 citations84
US9252641B2Feb 2, 2016
Power transmission device
SUMITOMO HEAVY INDUSTRIES5 citations73
US8961361B2Feb 24, 2015
Wheel drive unit
SUMITOMO HEAVY INDUSTRIES6 citations73
US11845121B2Dec 19, 2023
Metal pipe forming method, metal pipe, and forming system
SUMITOMO HEAVY INDUSTRIES2 citations72
US11518325B2Dec 6, 2022
Reinforcement member for vehicle, and method for manufacturing same
SUMITOMO HEAVY INDUSTRIES4 citations72
US10967413B2Apr 6, 2021
Forming device
SUMITOMO HEAVY INDUSTRIES2 citations72
US10773292B2Sep 15, 2020
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES4 citations72
US10751780B2Aug 25, 2020
Forming device
SUMITOMO HEAVY INDUSTRIES3 citations72
US10173254B2Jan 8, 2019
Molding apparatus
SUMITOMO HEAVY INDUSTRIES5 citations72
US10137491B2Nov 27, 2018
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES2 citations72
US10040110B2Aug 7, 2018
Forming system and forming method
SUMITOMO HEAVY INDUSTRIES4 citations72
US9731947B2Aug 15, 2017
Wheel drive apparatus and forklift
SUMITOMO HEAVY INDUSTRIES2 citations72
US8887848B2Nov 18, 2014
Forklift
SUMITOMO HEAVY INDUSTRIES6 citations72
US11041545B2Jun 22, 2021
Bending meshing type gear device
SUMITOMO HEAVY INDUSTRIES4 citations71
US12319215B2Jun 3, 2025
Vehicle structure
SUMITOMO HEAVY INDUSTRIES0 citations62
US12214825B2Feb 4, 2025
Flanged member
SUMITOMO HEAVY INDUSTRIES0 citations62
US11746881B2Sep 5, 2023
Reduction gear
SUMITOMO HEAVY INDUSTRIES0 citations62
US11493112B2Nov 8, 2022
Speed reducer
SUMITOMO HEAVY INDUSTRIES0 citations62
US10926313B2Feb 23, 2021
Forming apparatus
SUMITOMO HEAVY INDUSTRIES1 citations62
US10531520B2Jan 7, 2020
Molding apparatus
SUMITOMO HEAVY INDUSTRIES1 citations62
US11440074B2Sep 13, 2022
Forming device, forming method, and metal pipe
SUMITOMO HEAVY INDUSTRIES0 citations61
US10967414B2Apr 6, 2021
Forming device
SUMITOMO HEAVY INDUSTRIES1 citations61
US11253900B2Feb 22, 2022
Forming apparatus
SUMITOMO HEAVY INDUSTRIES0 citations60
US11919573B2Mar 5, 2024
Vehicle body structure, reinforcement member, and reinforcement member manufacturing method
SUMITOMO HEAVY INDUSTRIES0 citations52
US12358037B2Jul 15, 2025
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES0 citations51
US12109603B2Oct 8, 2024
Electrical heating apparatus
SUMITOMO HEAVY INDUSTRIES0 citations51
US11779987B2Oct 10, 2023
Forming device
SUMITOMO HEAVY INDUSTRIES0 citations51
US11691192B2Jul 4, 2023
Forming system
SUMITOMO HEAVY INDUSTRIES0 citations51
US11642715B2May 9, 2023
Forming device and metal pipe
SUMITOMO HEAVY INDUSTRIES0 citations51
US11453037B2Sep 27, 2022
Forming system
SUMITOMO HEAVY INDUSTRIES0 citations51
US11298738B2Apr 12, 2022
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES0 citations51
US11267034B2Mar 8, 2022
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES0 citations51
US10646912B2May 12, 2020
Forming apparatus and forming method
SUMITOMO HEAVY INDUSTRIES0 citations51
US9950356B2Apr 24, 2018
Forming device and forming method
SUMITOMO HEAVY INDUSTRIES0 citations51
US9855593B2Jan 2, 2018
Molding apparatus, method for replacing components of molding apparatus, and replacement unit for molding apparatus
SUMITOMO HEAVY INDUSTRIES1 citations51
US12090542B2Sep 17, 2024
Forming system
SUMITOMO HEAVY INDUSTRIES0 citations50
US11746874B2Sep 5, 2023
Bending meshing type gear device and method of manufacturing bending meshing type gear device
SUMITOMO HEAVY INDUSTRIES0 citations45
US8894539B2Nov 25, 2014
Wheel driving speed reducer
SUMITOMO HEAVY INDUSTRIES0 citations42
US10500627B2Dec 10, 2019
Forming system
SUMITOMO HEAVY INDUSTRIES0 citations41
ISHIZUKA MASAYUKI
4 patentsUS9216648B2Dec 22, 2015
Wheel driving device
ISHIZUKA MASAYUKI4 citations72
US8814737B2Aug 26, 2014
Wheel driving device
ISHIZUKA MASAYUKI4 citations72
US8858380B2Oct 14, 2014
Speed reduction device and series of speed reduction devices
ISHIZUKA MASAYUKI5 citations63
US8277581B2Oct 2, 2012
Nickel-iron-zinc alloy nanoparticles
ISHIZUKA MASAYUKI1 citations49