Inventor

HAMADA YASUMASA

JP4 patents

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

NISSAN CHEMICAL IND LTD

2 patents

US7799941B2Sep 21, 2010

Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative

NISSAN CHEMICAL IND LTD2 citations51

US7781609B2Aug 24, 2010

Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative

NISSAN CHEMICAL IND LTD0 citations30

ONO PHARMACEUTICAL CO

1 patent

US7589221B2Sep 15, 2009

Process for producing (2R)-2-propyloctanoic acid and intermediate therefor

ONO PHARMACEUTICAL CO2 citations58

YAKULT HONSHA KK

1 patent

US5158970AOct 27, 1992

Proline derivatives

YAKULT HONSHA KK2 citations53