Inventor

DOI HARUHIKO

JP5 patents

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

KAO CORP

2 patents

US11814547B2Nov 14, 2023

Polishing liquid composition for silicon oxide film

KAO CORP0 citations55

US10703935B2Jul 7, 2020

Polishing composition for silicon oxide film

KAO CORP0 citations39

HAMAGUCHI TAKESHI

1 patent

US9070399B2Jun 30, 2015

Polishing liquid composition for magnetic-disk substrate

HAMAGUCHI TAKESHI8 citations78

OSHIMA YOSHIAKI

1 patent

US8834589B2Sep 16, 2014

Polishing composition for magnetic disk substrate

OSHIMA YOSHIAKI1 citations44

DOI HARUHIKO

1 patent

US9053736B2Jun 9, 2015

Method for manufacturing an aluminosilicate glass substrate for hard disks

DOI HARUHIKO0 citations37