Inventor

IZUMICHI NOBUTAKA

JP4 patents

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

UENO SEIYAKU OYO KENKYUJO KK

3 patents

US6403827B1Jun 11, 2002

Crystal of 2-hydroxynaphthalene-3-carboxylic acid and process for the preparation thereof

UENO SEIYAKU OYO KENKYUJO KK0 citations50

US7304182B2Dec 4, 2007

Crystalline parahydroxybenzoic acid anhydride and process for preparing the same

UENO SEIYAKU OYO KENKYUJO KK0 citations48

US6673962B2Jan 6, 2004

Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the same

UENO SEIYAKU OYO KENKYUJO KK1 citations48

UENO SEIYAKO OYO KENKYUJO KK

1 patent

US6562998B1May 13, 2003

Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the same

UENO SEIYAKO OYO KENKYUJO KK0 citations43