Inventor

ICHIOKA RYOJI

JP7 patents

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

TORAY INDUSTRIES

5 patents

US6060417AMay 9, 2000

Catalyst composition for transalkylation of alkylaromatic hydrocarbons and process for production of xylene

TORAY INDUSTRIES51 citations95

US5847256ADec 8, 1998

Process for producing xylene

TORAY INDUSTRIES80 citations93

US6359184B1Mar 19, 2002

Process for production of xylene

TORAY INDUSTRIES43 citations92

US6040490AMar 21, 2000

Process for producing aromatic compounds by dealkylation, transalkylation, or disproportionation

TORAY INDUSTRIES22 citations90

US6972347B1Dec 6, 2005

Method for converting aromatic hydrocarbons

TORAY INDUSTRIES4 citations61

TORAY FINECHEMICALS CO LTD

1 patent

US11111211B2Sep 7, 2021

Method of distilling dimethyl sulfoxide and multistage distillation tower

TORAY FINECHEMICALS CO LTD0 citations53

YOSHIKAWA TAKAHIRO

1 patent

US8071832B2Dec 6, 2011

Method of converting ethylbenzene and process for producing p-xylene

YOSHIKAWA TAKAHIRO1 citations51