Inventor

TAKAMIYA SHIGETAKA

JP4 patents

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

NIPPON CATALYTIC CHEM IND

2 patents

US6638345B2Oct 28, 2003

Method for collecting reversely subliming substance and apparatus therefor

NIPPON CATALYTIC CHEM IND3 citations60

US6576773B2Jun 10, 2003

Method for production of pyromellitic dianhydride

NIPPON CATALYTIC CHEM IND0 citations50

DAI ICHI KOGYO SEIYAKU CO LTD

1 patent

US6864353B2Mar 8, 2005

Production process for ethylene oxide copolymer

DAI ICHI KOGYO SEIYAKU CO LTD3 citations60

DAI ICHI KOGYO SEIYAKN CO LTD

1 patent

US6765084B2Jul 20, 2004

Production process for ethylene oxide resin

DAI ICHI KOGYO SEIYAKN CO LTD1 citations43