KH

Keiji Hirano

NE Nec: 1 patents #355 of 1,409Top 30%
NC Nippon Shokubai Co.: 1 patents #57 of 181Top 35%
Overall (2003): #181,421 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6652759 Method of treating waste water and apparatus for treating waste water using the method Tsutomu Taira, Junji Okamura, Mitsuaki Ikeda, Kunio Sano 2003-11-25