Inventor

OKUBO KAZUHIKO

JP7 patents

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

SUMITOMO METAL MINING CO

3 patents

US12538710B2Jan 27, 2026

Magnetostrictive member and method for manufacturing magnetostrictive member

SUMITOMO METAL MINING CO0 citations55

US12464952B2Nov 4, 2025

Magnetostrictive member and method for manufacturing magnetostrictive member

SUMITOMO METAL MINING CO0 citations55

US10388953B2Aug 20, 2019

Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery

SUMITOMO METAL MINING CO0 citations48

MITSUI CHEMICALS INC

1 patent

US6117937ASep 12, 2000

Polymer polyol and flame retardant polyurethane resin and foam prepared therefrom

MITSUI CHEMICALS INC35 citations91

TOYODA AUTOMATIC LOOM WORKS

1 patent

US4784191ANov 15, 1988

Device for storing a weft yarn for inserting in a jet loom

TOYODA AUTOMATIC LOOM WORKS4 citations59

SHIMOKAWATOKO YOSHIKI

1 patent

US9000219B2Apr 7, 2015

Method for treatment of isocyanate residue, and method for treatment of carbonate

SHIMOKAWATOKO YOSHIKI0 citations44

MARUOKA YUSUKE

1 patent

US10494469B2Dec 3, 2019

Composition for polyurethane foam, preparation for polyurethane foam, polymer polyol preparation for polyurethane foam, production processes therefor, and polyurethane foam

MARUOKA YUSUKE0 citations27