IY

Ikuo Yonehara

CH Chisso: 2 patents #331 of 833Top 40%
Overall (All Time): #2,349,698 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4610853 Process for producing purified monoammonium phosphate from wet process phosphoric acid Taizo Kajitani, Shigeo Fujii, Tadao Sato, Chikashi Fukumura, Kenji Harita 1986-09-09
4610862 Process for producing purified diammonium phosphate from wet process phosphoric acid Taizo Kajitani, Shigeo Fujii, Tadao Sato, Chikashi Fukumura, Kenji Harita 1986-09-09