Inventor

KOSHITSUKA TETSUO

JP8 patents

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

MITSUBISHI GAS CHEMICAL CO

4 patents

US6432266B1Aug 13, 2002

Process for bleaching chemical pulp simultaneously with chlorine dioxide, peroxide and a reaction catalyst

MITSUBISHI GAS CHEMICAL CO54 citations92

US6048437AApr 11, 2000

Process for bleaching chemical pulp with chlorine dioxide, peroxide and Na2 M0 O4 as reaction catalyt

MITSUBISHI GAS CHEMICAL CO45 citations92

US9988269B2Jun 5, 2018

Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid

MITSUBISHI GAS CHEMICAL CO0 citations48

US5958184ASep 28, 1999

Process for producing thiourea dioxide

MITSUBISHI GAS CHEMICAL CO1 citations48

YOSHIDA KIYOSHI

2 patents

US9181094B2Nov 10, 2015

Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid

YOSHIDA KIYOSHI0 citations42

US8900408B2Dec 2, 2014

Process for production of bleached pulp

YOSHIDA KIYOSHI0 citations30

TOMODA IORI

2 patents

US8864942B2Oct 21, 2014

Process for producing bleached pulp

TOMODA IORI0 citations40

US8268123B2Sep 18, 2012

Process for producing bleached pulp

TOMODA IORI0 citations40