HN

Hidetoshi Nakayama

SD Showa Denko: 1 patents #1 of 18Top 6%
Overall (1994): #125,057 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5276223 Process for producing 1,1,1,2-tetrafluoroethane Hiromoto Ohno, Tatsuharu Arai, Kazuo Muramaki, Toshio Ohi, Yoshitaka Shohji 1994-01-04