P

Inventor

MATSUMOTO YUKIHIRO

JP96 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO YUKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON CATALYTIC CHEM IND

34 patents
US6878239B1Apr 12, 2005

Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system

NIPPON CATALYTIC CHEM IND25 citations93
US6641700B1Nov 4, 2003

Purifying apparatus possessing vapor dispersing device

NIPPON CATALYTIC CHEM IND30 citations93
US6620969B1Sep 16, 2003

Shell-and-tube heat exchanger and method for inhibiting polymerization in the shell-and-tube heat exchanger

NIPPON CATALYTIC CHEM IND52 citations93
US6525216B1Feb 25, 2003

Method of manufacturing (meth)acrylic acid

NIPPON CATALYTIC CHEM IND23 citations93
US6436245B1Aug 20, 2002

Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof

NIPPON CATALYTIC CHEM IND20 citations93
US6409886B1Jun 25, 2002

Process for inhibiting the polymerization of easily-polymerizable compounds

NIPPON CATALYTIC CHEM IND49 citations93
US7235158B2Jun 26, 2007

Perforated tray column without downcomer

NIPPON CATALYTIC CHEM IND35 citations92
US6927268B2Aug 9, 2005

Production process for water-absorbent resin

NIPPON CATALYTIC CHEM IND26 citations92
US6787001B2Sep 7, 2004

Method for distilling (meth) acrylic acid solution

NIPPON CATALYTIC CHEM IND20 citations92
US6755943B1Jun 29, 2004

Perforated tray without downcomer, perforated tray tower without downcomer

NIPPON CATALYTIC CHEM IND32 citations92
US6441228B2Aug 27, 2002

Apparatus and process for producing (meth)acrylic acid

NIPPON CATALYTIC CHEM IND18 citations92
US6348135B1Feb 19, 2002

Process for the purification of (meth) acrylic acid and/or its ester

NIPPON CATALYTIC CHEM IND20 citations92
US6676808B2Jan 13, 2004

Method for starting up distilling column

NIPPON CATALYTIC CHEM IND19 citations91
US6808689B1Oct 26, 2004

Reactor for catalytic gas phase oxidation

NIPPON CATALYTIC CHEM IND48 citations90
US6294056B1Sep 25, 2001

Distillation method and distillation apparatus

NIPPON CATALYTIC CHEM IND29 citations90
US7332624B2Feb 19, 2008

Method for production of acrylic acid

NIPPON CATALYTIC CHEM IND17 citations84
US7319167B2Jan 15, 2008

Method for distilling (meth)acrylic acid and/or the ester thereof

NIPPON CATALYTIC CHEM IND10 citations84
US7238743B2Jul 3, 2007

Production process for water-absorbent resin

NIPPON CATALYTIC CHEM IND15 citations84
US6966973B2Nov 22, 2005

Apparatus and process for producing (meth)acrylic acid

NIPPON CATALYTIC CHEM IND12 citations84
US6891061B1May 10, 2005

Packed column and polymerizable compound treating method using the same

NIPPON CATALYTIC CHEM IND15 citations84
US6677482B2Jan 13, 2004

Method of manufacturing (meth) acrylic acid

NIPPON CATALYTIC CHEM IND13 citations84
US6666956B1Dec 23, 2003

Method for distilling polymerizable compound or liquid containing polymerizable compound

NIPPON CATALYTIC CHEM IND13 citations84
US6848501B2Feb 1, 2005

Method for preventing plate type heat exchanger from blockage

NIPPON CATALYTIC CHEM IND16 citations83
US6667419B1Dec 23, 2003

Method for absorption of acrylic compound and apparatus therefor

NIPPON CATALYTIC CHEM IND18 citations83
US6627047B1Sep 30, 2003

Method for preventing polymerization in thin-film type evaporating device

NIPPON CATALYTIC CHEM IND18 citations83
US7534339B2May 19, 2009

Reactor filled with solid particle and gas-phase catalytic oxidation with the reactor

NIPPON CATALYTIC CHEM IND13 citations82
US6431261B2Aug 13, 2002

Shell and tube type heat exchanger

NIPPON CATALYTIC CHEM IND13 citations74
US7198766B1Apr 3, 2007

Method for production of acrylic acid and apparatus for production of acrylic acid

NIPPON CATALYTIC CHEM IND7 citations73
US7109372B2Sep 19, 2006

Method for production of acrylic acid

NIPPON CATALYTIC CHEM IND7 citations73
US6888025B2May 3, 2005

Method for absorbing acrylic acid and method for purifying acrylic acid

NIPPON CATALYTIC CHEM IND10 citations73
US6713648B2Mar 30, 2004

Method for absorbing acrylic acid and method for purifying acrylic acid

NIPPON CATALYTIC CHEM IND9 citations73
US6632329B1Oct 14, 2003

Distillation apparatus and distilling method

NIPPON CATALYTIC CHEM IND10 citations73
US6407287B2Jun 18, 2002

Method for production of acrylic acid

NIPPON CATALYTIC CHEM IND9 citations73
US6372944B1Apr 16, 2002

Liquid withdrawing tray for purification column, purification column, and method for purification

NIPPON CATALYTIC CHEM IND11 citations73

HONDA MOTOR CO LTD

6 patents

HISAMITSU PHARMACEUTICAL CO

4 patents

CANON KK

2 patents

TAKEDA CHEMICAL INDUSTRIES LTD

1 patent

PIONEER ELECTRONIC CORP

1 patent

MITSUBISHI RAYON CO

1 patent

NSK LTD

1 patent

Showing the top 50 of 96 patents by PatentIndex Score.