Inventor

OYACHI HIROYUKI

JP5 patents

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

METAWATER CO LTD

2 patents

US7922904B2Apr 12, 2011

Upward-flow manganese contact column

METAWATER CO LTD2 citations60

US11459248B2Oct 4, 2022

Method of removing soluble manganese

METAWATER CO LTD0 citations43

NGK INSULATORS LTD

2 patents

US7449110B2Nov 11, 2008

Filter and filter module

NGK INSULATORS LTD4 citations60

US6991737B2Jan 31, 2006

Filtering method

NGK INSULATORS LTD6 citations60

SUGIURA KIYOTAKA

1 patent

US8083943B2Dec 27, 2011

Filtration device

SUGIURA KIYOTAKA6 citations54