P

Inventor

FUJISE KEIICHI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “FUJISE KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAI ICHI KOGYO SEIYAKU CO LTD

3 patents
US6486281B1Nov 26, 2002

Process for preparing high-purity vinylpyrrolidone polymer

DAI ICHI KOGYO SEIYAKU CO LTD14 citations80
US6465592B1Oct 15, 2002

Process for preparing vinylpyrrolidone polymer

DAI ICHI KOGYO SEIYAKU CO LTD9 citations70
US6829843B2Dec 14, 2004

Process for preparing vinylpyrrolidone polymer powder

DAI ICHI KOGYO SEIYAKU CO LTD5 citations58

NIPPON CATALYTIC CHEM IND

2 patents
US7700674B2Apr 20, 2010

Vinylpyrrolidone-based polymer composition

NIPPON CATALYTIC CHEM IND0 citations44
US7910672B2Mar 22, 2011

Powder of a vinylpyrrolidone polymer and a process for production thereof

NIPPON CATALYTIC CHEM IND0 citations40