Inventor

KATSURO YOSHIO

JP13 patents

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

MITSUBISHI CHEM CORP

10 patents

US5574172ANov 12, 1996

Process for producing halogenated phthalic anhydride

MITSUBISHI CHEM CORP22 citations92

US6071838AJun 6, 2000

Silica gel, synthetic quartz glass powder, quartz glass shaped product molding, and processes for producing these

MITSUBISHI CHEM CORP25 citations91

US6129899AOct 10, 2000

Processes for producing synthetic quartz powder and producing shaped quartz glass

MITSUBISHI CHEM CORP32 citations89

US7427387B2Sep 23, 2008

High-purity quartz powder, process for producing the same, and glass molding

MITSUBISHI CHEM CORP15 citations83

US7063826B2Jun 20, 2006

High-purity quartz powder, process for producing the same, and glass molding

MITSUBISHI CHEM CORP12 citations83

US6225245B1May 1, 2001

Silica gel, synthetic quartz glass powder and shaped product of quartz glass

MITSUBISHI CHEM CORP16 citations82

US7074376B2Jul 11, 2006

Silica gel

MITSUBISHI CHEM CORP5 citations72

US6838068B2Jan 4, 2005

Silica gel

MITSUBISHI CHEM CORP10 citations72

US6131409AOct 17, 2000

Process for producing a high purity synthetic quartz

MITSUBISHI CHEM CORP12 citations70

US6110852AAug 29, 2000

Process for producing synthetic quartz glass powder

MITSUBISHI CHEM CORP12 citations70

MITSUBISHI CHEM IND

3 patents

US5258530ANov 2, 1993

Process for producing biphenyltetracarboxylic dianhydride

MITSUBISHI CHEM IND6 citations73

US5095144AMar 10, 1992

Process for dimerizing aromatic halogen compound

MITSUBISHI CHEM IND7 citations73

US4900843AFeb 13, 1990

Method for dimerization of aromatic halide compounds

MITSUBISHI CHEM IND3 citations58