YY

Yasuo Yokokawa

AC Asahi Kasei Kogyo Co.: 1 patents #45 of 172Top 30%
📍 Nishitokyo, JP: #3 of 14 inventorsTop 25%
Overall (1982): #22,329 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340481 Membrane filtration type hollow fibers Mashahiro Mishiro, Tokio Nishikawa, Shigeyasu Ohashi 1982-07-20