HN

Hiroyoshi Nawa

PC Purex Co.: 1 patents #2 of 6Top 35%
WI Wako Pure Chemical Industries: 1 patents #6 of 31Top 20%
Overall (1994): #125,023 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5290361 Surface treating cleaning method Ichiro Hayashida, Masahiko Kakizawa, Kenichi Umekita, Hisashi Muraoka 1994-03-01