Hamao Umezawa
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai · Nippon Kayaku · Sanraku-Ocean Co.
Total Patents:
151
Overall Rank:
#6,149
Years Active:
1980–1994
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai Rank:
#2