CH

Chizuko Hayashi

NC Nippon Zeon Co.: 1 patents #4 of 38Top 15%
Overall (1982): #72,597 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4342711 Method of manufacturing hollow fiber Yasushi Joh, Masahiro Yamazaki, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta 1982-08-03