Inventor

ISHIDA YUH

JP15 patents

⚠️ This page may combine multiple inventors who share the name “ISHIDA YUH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

11 patents

US9663371B2May 30, 2017

Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body

SUMITOMO ELECTRIC INDUSTRIES2 citations72

US11453589B2Sep 27, 2022

Method of producing boron nitride polycrystal, boron nitride polycrystal, cutting tool, wear-resisting tool, and grinding tool

SUMITOMO ELECTRIC INDUSTRIES0 citations61

US11383306B2Jul 12, 2022

Method for producing polycrystalline diamond body, polycrystalline diamond body, cutting tool, wear-resistance tool and grinding tool

SUMITOMO ELECTRIC INDUSTRIES0 citations61

US11787699B2Oct 17, 2023

Diamond polycrystal and method of producing the same

SUMITOMO ELECTRIC INDUSTRIES0 citations60

US11041791B2Jun 22, 2021

Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load

SUMITOMO ELECTRIC INDUSTRIES1 citations60

US11795113B2Oct 24, 2023

Cubic boron nitride polycrystalline material, cutting tool, wear resistant tool, grinding tool, and method of manufacturing cubic boron nitride polycrystalline material

SUMITOMO ELECTRIC INDUSTRIES0 citations51

US10519068B2Dec 31, 2019

Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method of producing cubic boron nitride polycrystal

SUMITOMO ELECTRIC INDUSTRIES0 citations50

US10421129B2Sep 24, 2019

Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body

SUMITOMO ELECTRIC INDUSTRIES0 citations50

SUMITOMO ELECTRIC HARDMETAL CORP

3 patents

US11845658B2Dec 19, 2023

Polycrystalline cubic boron nitride and heatsink using the same

SUMITOMO ELECTRIC HARDMETAL CORP0 citations61

US11319255B2May 3, 2022

Composite sintered material and tool using same

SUMITOMO ELECTRIC HARDMETAL CORP0 citations61

US12571079B2Mar 10, 2026

Cubic boron nitride sintered material and tool

SUMITOMO ELECTRIC HARDMETAL CORP0 citations48

ISHIDA YUH

1 patent

US9416304B2Aug 16, 2016

Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool

ISHIDA YUH5 citations67

ISHIDA YUH

SUMITOMO ELECTRIC INDUSTRIES

Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body

Method of producing boron nitride polycrystal, boron nitride polycrystal, cutting tool, wear-resisting tool, and grinding tool

Method for producing polycrystalline diamond body, polycrystalline diamond body, cutting tool, wear-resistance tool and grinding tool

Diamond polycrystal and method of producing the same

Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load

Cubic boron nitride sintered material

Polycrystalline cubic crystal boron nitride and tool

Composite polycrystal and method for manufacturing the same

Cubic boron nitride polycrystalline material, cutting tool, wear resistant tool, grinding tool, and method of manufacturing cubic boron nitride polycrystalline material

Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method of producing cubic boron nitride polycrystal

Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body

SUMITOMO ELECTRIC HARDMETAL CORP

Polycrystalline cubic boron nitride and heatsink using the same

Composite sintered material and tool using same

Cubic boron nitride sintered material and tool

ISHIDA YUH

Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool