CH

Chizuko Hayashi

NC Nippon Zeon Co.: 2 patents #188 of 609Top 35%
Overall (All Time): #2,362,382 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4385017 Method of manufacturing hollow fiber Yasushi Joh, Masahiro Yamazaki, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta 1983-05-24
4342711 Method of manufacturing hollow fiber Yasushi Joh, Masahiro Yamazaki, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta 1982-08-03