Inventor

YAMAKAWA TOSHITAKE

JP3 patents

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

MITSUBISHI RAYON CO

2 patents

US6515159B2Feb 4, 2003

S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt and a process for production thereof

MITSUBISHI RAYON CO0 citations47

US6300510B1Oct 9, 2001

Iron alkali salt of S,S-ethylenediamine-N,N′-disuccinic acid and process for producing the same

MITSUBISHI RAYON CO1 citations47

NITTO CHEMICAL INDUSTRY CO LTD

1 patent

US5679817AOct 21, 1997

Alkylenediamine-N,N'-disuccinic acid iron (III) complex salts and process for production thereof

NITTO CHEMICAL INDUSTRY CO LTD21 citations89