HK

Hirokatsu Kawakami

NC Nippon Shokubai Co.: 1 patents #76 of 193Top 40%
Overall (2002): #206,436 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6486260 Cement additive, cement composition and polycarboxylic acid polymer Tsutomu Yuasa, Tsuyoshi Hirata 2002-11-26