Inventor

UMEZAWA SHINGO

JP4 patents

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

NISSAN CHEMICAL IND LTD

2 patents

US8642786B2Feb 4, 2014

Process for producing thiophene compound and intermediate thereof

NISSAN CHEMICAL IND LTD0 citations49

US8420849B2Apr 16, 2013

Process for producing thiophene compound and intermediate thereof

NISSAN CHEMICAL IND LTD1 citations49

SHIGETA YUKIHIRO

1 patent

US8889732B2Nov 18, 2014

Fused heterocyclic compounds and thrombopoietin receptor activators

SHIGETA YUKIHIRO1 citations44

YANAGIHARA KAZUFUMI

1 patent

US8399685B2Mar 19, 2013

Process for producing thiophene compound and intermediate thereof

YANAGIHARA KAZUFUMI1 citations43