Hirofumi Tsutsumi

DC Du Pont-Mitsui Fluorochemicals Co.: 1 patents #1 of 7Top 15%

MC Murakashi Lime Industry Co.: 1 patents #1 of 4Top 25%

NC Nippon Hodo Co.: 1 patents #1 of 4Top 25%

Overall (2002): #204,366 of 266,432Top 80%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6464776	Dusting-inhibited cement composition improved in strength	Teruo Urano, Masatsune Ogura, Tetsuya Shimoda	2002-10-15